Step 5 Preview
Explore Step 5 Preview from StepFun: published specifications, source-linked vendor benchmarks, independent evaluator coverage and recorded pricing when available.
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Pricing · OpenRouter
Dated cached OpenRouter rates in USD per 1M tokens. Open the dashboard for live enhancements. Per-metric endpoint minima can refer to different providers; they are not a guaranteed combined rate from one endpoint.
| Tier | Input / 1M | Output / 1M | Cached input / 1M | Cache write / 1M | Date & source |
|---|---|---|---|---|---|
| Default | $1 | $2.7 | $0.05 | — | 2026-10-08 · OpenRouter source |
Recorded pricing notes
Healthy endpoint minima (status 0, uptime >=98%). No contributor sibling found on 8 October 2026. Cache-write price unpublished. OpenRouter fp8 provider; 1,000,000 context / 64,000 maximum output tokens. Input/output/cache rates are per million tokens.
Official / vendor benchmarks
Default headline records. Own-vendor, peer-vendor and third-party provenance remain visible in evidence; configurations may differ.
| Benchmark / evaluator | Headline score | Evidence |
|---|---|---|
| GPQA Diamond | 93.5%high effort | All 1 recorded result & sources93.5% · raw 93.5 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| Humanity's Last Exam | 46.5%high effort | All 1 recorded result & sources46.5% · raw 46.5 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; No-tools HLE row; subset not restated in table. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| AA-LCR v1.1 | 88.3%high effort | All 1 recorded result & sources88.3% · raw 88.3 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Explicit revision 1.1; kept separate from unspecified AA-LCR. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| CritPt | 20.9%high effort | All 1 recorded result & sources20.9% · raw 20.9 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| DeepSWE v1.1 | 67.7%high effort | All 1 recorded result & sources67.7% · raw 67.7 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; SWE-agent harness, temperature=1.0, top_p=0.95; not Datacurve mini-swe-agent leaderboard. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| Terminal-Bench 2.1 | 85%high effort | All 1 recorded result & sources85% · raw 85 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Explicit v2.1. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| Terminal-Bench 4.0 | 33.3%high effort | All 1 recorded result & sources33.3% · raw 33.3 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Explicit v4; not Vals, Hermes or Anthropic harness results. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| CyberGym | 84.7%high effort | All 1 recorded result & sources84.7% · raw 84.7 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| SciCode | 58.9%high effort | All 1 recorded result & sources58.9% · raw 58.9 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| RoadmapBench | 54.3%high effort | All 1 recorded result & sources54.3% · raw 54.3 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Version, harness and task count unpublished. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| ProgramBench (StepFun pass rate) | 80.5%high effort | All 1 recorded result & sources80.5% · raw 80.5 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Pass Rate as labelled, not Almost@1 and not Anthropic 166-task reference-filtered subset; denominator/filter unspecified. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| SWE-Marathon v1.1 (partial score) | 72.7%high effort | All 1 recorded result & sources72.7% · raw 72.7 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Explicit v1.1 partial credit; distinct from unspecified SWE-Marathon. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| MLS-Bench-Lite | 40.5%high effort | All 1 recorded result & sources40.5% · raw 40.5 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Lite subset. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| SWE-Atlas QnA | 63.6%high effort | All 1 recorded result & sources63.6% · raw 63.6 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; QnA track. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| SWE Atlas Test Writing | 50.8%high effort | All 1 recorded result & sources50.8% · raw 50.8 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Test-writing track. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| StepCodeBench | 49%high effort | All 1 recorded result & sources49% · raw 49 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Internal suite: 553 repositories, 9 task categories, 20 domains, 33 languages; avg@4. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| StepCode-Bench-Daily | 64.9%high effort | All 1 recorded result & sources64.9% · raw 64.9 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Internal suite, separate daily result; task count/scoring detail unpublished. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| StepCode-Bench-General | 65%high effort | All 1 recorded result & sources65% · raw 65 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Internal suite, separate general result; task count/scoring detail unpublished. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| GDPval-AA 2.1 | 1566high effort | All 1 recorded result & sources1566 · raw 1566 Elo Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Native Elo; vendor quotes AA as of 20 September 2026. Not current independent AA decimal result. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| τ³-Bench Banking | 42.5%high effort | All 1 recorded result & sources42.5% · raw 42.5 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Banking domain, not tau2 or telecom. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| AutomationBench-AA (vendor-reported) | 51%high effort | All 1 recorded result & sources51% · raw 51 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; AA-labelled suite as quoted by StepFun; independent observations remain under AA evaluator. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| AutomationBench (public split) | 44%high effort | All 1 recorded result & sources44% · raw 44 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Explicit public split; not AA suite or versioned full benchmark. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| AA Briefcase v1.1 | 1433high effort | All 1 recorded result & sources1433 · raw 1433 Elo Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Native vendor Elo; not independent AA live value. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| Toolathlon-Verified | 74.1%high effort | All 1 recorded result & sources74.1% · raw 74.1 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Verified variant. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| MCP Atlas | 85.6%high effort | All 1 recorded result & sources85.6% · raw 85.6 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Vendor table; separate from Scale evaluator. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| PresentBench | 76.8%high effort | All 1 recorded result & sources76.8% · raw 76.8 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Task count, revision and rubric unpublished. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| OfficeQA Pro | 60.3%high effort | All 1 recorded result & sources60.3% · raw 60.3 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Pro subset; retrieval/document preprocessing unspecified. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| SpeadSheet v2 (as reported by StepFun) | 29.4%high effort | All 1 recorded result & sources29.4% · raw 29.4 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Exact source spelling SpeadSheet v2; do not silently equate to SpreadsheetBench 2 without primary clarification. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| JobBench | 59%high effort | All 1 recorded result & sources59% · raw 59 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| APEX-Agents | 37.8%high effort | All 1 recorded result & sources37.8% · raw 37.8 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| DRACO | 83.3%high effort | All 1 recorded result & sources83.3% · raw 83.3 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Grader unspecified; do not assume Anthropic Opus 4.6 grading. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| BrowseComp | 88.7%high effort | All 1 recorded result & sources88.7% · raw 88.7 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| HLE with tools (text-only) | 59.4%high effort | All 1 recorded result & sources59.4% · raw 59.4 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Text-only subset, explicitly distinguished by source footnote; not full HLE with tools. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| FinStepBench LiveSearch | 74.5%high effort | All 1 recorded result & sources74.5% · raw 74.5 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Internal financial information retrieval/verification suite. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| FinStepBench CorporateValuation | 60.6%high effort | All 1 recorded result & sources60.6% · raw 60.6 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Internal forecast/valuation suite. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| FinStepBench DeepResearch | 55.8%high effort | All 1 recorded result & sources55.8% · raw 55.8 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Table label FinanceDR, corresponding DeepResearch chart uses identical values. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| FrontierFinance | 66.4%high effort | All 1 recorded result & sources66.4% · raw 66.4 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; External benchmark; vendor run, 220 questions and 11,543 criteria across six investment use cases. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| Agents' Last Exam (ALE-CLI) | 29.5%high effort | All 1 recorded result & sources29.5% · raw 29.5 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; CLI subset, distinct from full ALE. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| MMMU Pro (no tools) | 76%high effort | All 1 recorded result & sources76% · raw 76 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Vendor score 76.0, not independent AA 76.36. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| GDP.PDF | 14.8%high effort | All 1 recorded result & sources14.8% · raw 14.8 % Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; All-pass professional document reasoning. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/step-5-preview |
| GDPval-AA v2 | 1571high effort | All 1 recorded result & sources1571 · raw 1571 Elo Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Dated launch image; GDPval-AA v2 as of 19 September. Current product table is v2.1. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/assets/step-5-preview-img03-BxUbgaBo.webp |
| MLA-512 H100 kernel optimization (best of 4) | 508 TFLOPShigh effort | All 1 recorded result & sources508 TFLOPS · raw 508 TFLOPS Headline · high effort · Own vendor Source/record date: 2026-09-20 Harness: StepFun vendor-reported evaluation; Labelled peak achieved forward+backward TFLOPS, best of four 24-hour attempts; H100 MLA-512 case study. Full agent/grader/task-subset settings unpublished unless stated. Source inspected 8 October 2026; evaluation date unknown unless stated. Step 5 Preview high effort. https://www.stepfun.com/assets/inference-combined-7fkNnlSY.png |
Independent evaluators
Evaluator harnesses are distinct from vendor measurements. Missing coverage is not a failed test.
| Benchmark / evaluator | Headline score | Evidence |
|---|---|---|
| Intelligence Index · Artificial Analysis | 43.7unknown effort | All 1 recorded result & sources43.7 · raw 43.7343049141614 index Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Intelligence Index v4.3.2, ten evaluations. https://artificialanalysis.ai/models/step-5 |
| GDPval-AA Elo · Artificial Analysis | 1584.2unknown effort | All 1 recorded result & sources1584.2 · raw 1584.24 Elo Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Native Elo/index. https://artificialanalysis.ai/models/step-5 |
| AutomationBench (AA) · Artificial Analysis | 51%unknown effort | All 1 recorded result & sources51% · raw 50.956594190963 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| Terminal-Bench 4.0 (AA) · Artificial Analysis | 33.3%unknown effort | All 1 recorded result & sources33.3% · raw 33.333333333333 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| SciCode (AA) · Artificial Analysis | 58.9%unknown effort | All 1 recorded result & sources58.9% · raw 58.912037037037 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. Source marks this evaluation under review. https://artificialanalysis.ai/models/step-5 |
| Humanity’s Last Exam (AA) · Artificial Analysis | 46.5%unknown effort | All 1 recorded result & sources46.5% · raw 46.478220574606 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| GDP.PDF (AA) · Artificial Analysis | 14.8%unknown effort | All 1 recorded result & sources14.8% · raw 14.8 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| CritPt (AA) · Artificial Analysis | 20.9%unknown effort | All 1 recorded result & sources20.9% · raw 20.857142857143 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. Source marks this evaluation under review. https://artificialanalysis.ai/models/step-5 |
| AA-Omniscience Index · Artificial Analysis | 16.4 scoreunknown effort | All 1 recorded result & sources16.4 score · raw 16.383333333333333 score Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Native Elo/index. https://artificialanalysis.ai/models/step-5 |
| AA-LCR · Artificial Analysis | 88.3%unknown effort | All 1 recorded result & sources88.3% · raw 88.333333333333 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| AA-Omniscience accuracy · Artificial Analysis | 41.5%unknown effort | All 1 recorded result & sources41.5% · raw 41.533333333333 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| AA-Omniscience hallucination rate · Artificial Analysis | 43%unknown effort | All 1 recorded result & sources43% · raw 43.015963511973 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| Terminal-Bench Science 0.1 (AA) · Artificial Analysis | 2.4%unknown effort | All 1 recorded result & sources2.4% · raw 2.380952380952 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| HLAB (AA) · Artificial Analysis | 93.4%unknown effort | All 1 recorded result & sources93.4% · raw 93.443334780721 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. Harvey criterion pass rate; not Vals HLAB task-level pass. https://artificialanalysis.ai/models/step-5 |
| MMMU-Pro (AA) · Artificial Analysis | 76.4%unknown effort | All 1 recorded result & sources76.4% · raw 76.35838150289 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| MLCR-AA · Artificial Analysis | 16.7%unknown effort | All 1 recorded result & sources16.7% · raw 16.666666666667 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| ITBench-AA · Artificial Analysis | 55.6%unknown effort | All 1 recorded result & sources55.6% · raw 55.555555555556 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| AA-AnalystAgent · Artificial Analysis | 35%unknown effort | All 1 recorded result & sources35% · raw 35 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. pass^5; not pass@1. https://artificialanalysis.ai/models/step-5 |
| EnterpriseOps-Gym-AA · Artificial Analysis | 47.2%unknown effort | All 1 recorded result & sources47.2% · raw 47.179946284691 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| APEX-Agents (AA) · Artificial Analysis | 38%unknown effort | All 1 recorded result & sources38% · raw 37.979351032448 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published raw 0–1 fraction ×100. https://artificialanalysis.ai/models/step-5 |
| AA-Briefcase Elo · Artificial Analysis | 1425.2unknown effort | All 1 recorded result & sources1425.2 · raw 1425.23 Elo Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. AA-Briefcase v1.1; rubric raw fraction ×100, native Elo components otherwise. https://artificialanalysis.ai/models/step-5 |
| AA-Briefcase rubric pass rate · Artificial Analysis | 47.8%unknown effort | All 1 recorded result & sources47.8% · raw 47.777777777778 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. AA-Briefcase v1.1; rubric raw fraction ×100, native Elo components otherwise. https://artificialanalysis.ai/models/step-5 |
| AA-Briefcase analytical quality Elo · Artificial Analysis | 1543.8unknown effort | All 1 recorded result & sources1543.8 · raw 1543.83 Elo Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. AA-Briefcase v1.1; rubric raw fraction ×100, native Elo components otherwise. https://artificialanalysis.ai/models/step-5 |
| AA-Briefcase presentation Elo · Artificial Analysis | 1394.1unknown effort | All 1 recorded result & sources1394.1 · raw 1394.11 Elo Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. AA-Briefcase v1.1; rubric raw fraction ×100, native Elo components otherwise. https://artificialanalysis.ai/models/step-5 |
| AA industry index: Finance and accounting · Artificial Analysis | 45.4 scoreunknown effort | All 1 recorded result & sources45.4 score · raw 45.3728047646677 score Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published capability composite, not percent. https://artificialanalysis.ai/models/step-5 |
| AA industry index: Strategy and operations · Artificial Analysis | 47.1 scoreunknown effort | All 1 recorded result & sources47.1 score · raw 47.1241657884068 score Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published capability composite, not percent. https://artificialanalysis.ai/models/step-5 |
| AA industry index: Legal · Artificial Analysis | 46.2 scoreunknown effort | All 1 recorded result & sources46.2 score · raw 46.2280066508375 score Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published capability composite, not percent. https://artificialanalysis.ai/models/step-5 |
| AA industry index: Healthcare and medical · Artificial Analysis | 40.8 scoreunknown effort | All 1 recorded result & sources40.8 score · raw 40.8171769208551 score Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published capability composite, not percent. https://artificialanalysis.ai/models/step-5 |
| AA industry index: Engineering · Artificial Analysis | 45 scoreunknown effort | All 1 recorded result & sources45 score · raw 44.9763545147623 score Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published capability composite, not percent. https://artificialanalysis.ai/models/step-5 |
| AA industry index: Economics · Artificial Analysis | 52.8 scoreunknown effort | All 1 recorded result & sources52.8 score · raw 52.8491063677788 score Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Published capability composite, not percent. https://artificialanalysis.ai/models/step-5 |
| Output speed · Artificial Analysis | 87.6 tok/sunknown effort | All 1 recorded result & sources87.6 tok/s · raw 87.5504243985988 tok/s Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Median output speed on StepFun provider; distinct from live OpenRouter throughput. https://artificialanalysis.ai/models/step-5 |
| Cost per Intelligence Index task · Artificial Analysis | $1.026/taskunknown effort | All 1 recorded result & sources$1.026/task · raw 1.0264068637684054 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Observed weighted suite cost/task at AA measured price/cache settings, not a token price or guaranteed request cost. https://artificialanalysis.ai/models/step-5 |
| AA-Briefcase (AA) cost per task · Artificial Analysis | $2.373/taskunknown effort | All 1 recorded result & sources$2.373/task · raw 2.372851216942416 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| GDPval-AA (AA) cost per task · Artificial Analysis | $0.979/taskunknown effort | All 1 recorded result & sources$0.979/task · raw 0.979128029896363 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| AutomationBench-AA (AA) cost per task · Artificial Analysis | $0.225/taskunknown effort | All 1 recorded result & sources$0.225/task · raw 0.2247917635599391 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| Terminal-Bench 4.0 (AA) cost per task · Artificial Analysis | $5.175/taskunknown effort | All 1 recorded result & sources$5.175/task · raw 5.175400077426664 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| SciCode (AA) cost per task · Artificial Analysis | $0.02/taskunknown effort | All 1 recorded result & sources$0.02/task · raw 0.02031152013888889 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| Humanity's Last Exam (AA) cost per task · Artificial Analysis | $0.065/taskunknown effort | All 1 recorded result & sources$0.065/task · raw 0.06486026482854496 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| GDP.PDF (AA) cost per task · Artificial Analysis | $0.122/taskunknown effort | All 1 recorded result & sources$0.122/task · raw 0.122188105 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| CritPt (AA) cost per task · Artificial Analysis | $0.158/taskunknown effort | All 1 recorded result & sources$0.158/task · raw 0.15762519 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| AA-Omniscience (AA) cost per task · Artificial Analysis | $0.015/taskunknown effort | All 1 recorded result & sources$0.015/task · raw 0.015089091799999997 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| AA-LCR (AA) cost per task · Artificial Analysis | $0.1/taskunknown effort | All 1 recorded result & sources$0.1/task · raw 0.10049821099999999 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Artificial Analysis exact Step 5 Preview public model-page data, non-estimated. AA effort not labelled; do not infer high from vendor or medium from API default. Evaluation date unpublished; checked 8 October 2026. Source per-evaluation unweighted observed costPerTask; not weighted suite contribution, token rate or calculator assumption. https://artificialanalysis.ai/models/step-5 |
| Vals Index · Vals AI | 49.4%unknown effort | All 1 recorded result & sources49.4% · raw 49.35 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±1.22 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Code Migration · Vals AI | 39%unknown effort | All 1 recorded result & sources39% · raw 38.98 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±4.53 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Excel Modeling Benchmark · Vals AI | 57.1%unknown effort | All 1 recorded result & sources57.1% · raw 57.12 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±3.17 percentage points. Source label EMB. https://www.vals.ai/models/stepfun_step-5-preview |
| Finance Agent v2 · Vals AI | 50.7%unknown effort | All 1 recorded result & sources50.7% · raw 50.67 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±0.32 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Legal Research Bench · Vals AI | 40.4%unknown effort | All 1 recorded result & sources40.4% · raw 40.38 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±3.41 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| MysteryMechanism · Vals AI | 18.5%unknown effort | All 1 recorded result & sources18.5% · raw 18.47 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±2.61 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| ProofBench v1.1 · Vals AI | 42%unknown effort | All 1 recorded result & sources42% · raw 42 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±4.96 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Public Benefits Bench v1.1 · Vals AI | 58.1%unknown effort | All 1 recorded result & sources58.1% · raw 58.12 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±1.28 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Tax Agent Bench · Vals AI | 59.5%unknown effort | All 1 recorded result & sources59.5% · raw 59.54 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±3.09 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Vibe Code Bench v1.1 · Vals AI | 70.4%unknown effort | All 1 recorded result & sources70.4% · raw 70.4 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±4.27 percentage points. Harness: OpenHands, verified on Vibe Code board. https://www.vals.ai/models/stepfun_step-5-preview |
| BioMysteryBench · Vals AI | 67.4%unknown effort | All 1 recorded result & sources67.4% · raw 67.41 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±0.37 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| HLAB · Vals AI | 9.2%unknown effort | All 1 recorded result & sources9.2% · raw 9.17 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±2.44 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| IOI · Vals AI | 38.1%unknown effort | All 1 recorded result & sources38.1% · raw 38.06 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±6.69 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Terminal-Bench 4.0 · Vals AI | 31.8%unknown effort | All 1 recorded result & sources31.8% · raw 31.82 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±2.62 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Terminal-Bench Science · Vals AI | 2.9%unknown effort | All 1 recorded result & sources2.9% · raw 2.86 % Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Published uncertainty ±2.01 percentage points. https://www.vals.ai/models/stepfun_step-5-preview |
| Vals Index cost per task · Vals AI | $2.626/taskunknown effort | All 1 recorded result & sources$2.626/task · raw 2.626 USD/task Headline · unknown effort · Independent evaluator Source/record date: 2026-10-08 Vals exact Step 5 Preview model page; evaluator date unpublished, checked 8 October. Default provider StepFun, temperature 1, top_p 0.95, source max-output setting 1,024,000 (harness setting, not vendor product limit); suite overrides possible. Effort not published. Source Cost / Test; observed Vals Index task cost, no token-price derivation. https://www.vals.ai/models/stepfun_step-5-preview |
Read how we select and source scores or the comparison guide.