LongCat-2.5
Explore LongCat-2.5 from Meituan LongCat: published specifications, source-linked vendor benchmarks, independent evaluator coverage and recorded pricing when available.
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Pricing · OpenRouter
No OpenRouter pricing is recorded for this model. Missing rates are not free.
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 |
|---|---|---|
| Terminal-Bench 2.1 | 88.4%unknown effort | All 1 recorded result & sources88.4% · raw 88.4 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.280, max_seq_length 512K; average of three runs. Exact label “Terminal Bench v2.1”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| Terminal-Bench 4.0 | 38.5%unknown effort | All 1 recorded result & sources38.5% · raw 38.5 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.280, max_seq_length 512K. Exact label “Terminal Bench v4.0”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| ProgramBench (Almost Solved) | 25.5%unknown effort | All 1 recorded result & sources25.5% · raw 25.5 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.280, max_seq_length 512K. Source label “Almost Resolved”. Exact label “Program Bench Almost Resolved”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| DeepSWE v1.1 | 64.6%unknown effort | All 1 recorded result & sources64.6% · raw 64.6 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. mini-swe-agent, max_seq_length 1M, average of three runs; version of mini-swe-agent unstated. Exact label “DeepSWE v1.1”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| PaperBench | 82.1%unknown effort | All 1 recorded result & sources82.1% · raw 82.1 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Harness and judge unstated. Exact label “PaperBench”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| SWE-Atlas Codebase QnA | 58.3%unknown effort | All 1 recorded result & sources58.3% · raw 58.3 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.116, Claude Opus 4.5 judge by majority of three judgments, average of three runs. Exact label “SWE Atlas - Codebase QnA”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| SWE-Atlas Refactoring | 55.2%unknown effort | All 1 recorded result & sources55.2% · raw 55.2 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Harness unstated; the setup footnote covers only Codebase QnA and Test Writing. Exact label “SWE Atlas - Refactoring”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| SWE-Atlas Test Writing | 47.8%unknown effort | All 1 recorded result & sources47.8% · raw 47.8 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.116, Claude Opus 4.5 judge by majority of three judgments, average of three runs. Exact label “SWE Atlas - Test Writing”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| NL2Repo-Bench (vendor reports) | 60.5%unknown effort | All 1 recorded result & sources60.5% · raw 60.5 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.280, max_seq_length 512K. Exact label “NL2Repo”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| LongCat AppDev (internal) | 73.7%unknown effort | All 1 recorded result & sources73.7% · raw 73.7 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Internal benchmark. Exact label “LongCat AppDev Internal”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| BrowseComp | 91.9%unknown effort | All 1 recorded result & sources91.9% · raw 91.9 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Custom harness with Verify and Discard-All (threshold 256K), up to 1,024 rounds, tools search and browse_with_goal only. Exact label “BrowseComp”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| AutomationBench v1.0.6 | 51.8%unknown effort | All 1 recorded result & sources51.8% · raw 51.8 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. All 600 public tasks of v1.0.6 with the official evaluation code. Exact label “AutomationBench v1.0.6”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| Humanity's Last Exam (text-only, with tools) | 63.1%unknown effort | All 1 recorded result & sources63.1% · raw 63.1 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Text-only subset, Claude Code v2.1.116, max generation 256K. Exact label “HLE w/ tools”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| ALE v1.1 (LongCat; population unstated) | 38.5%unknown effort | All 1 recorded result & sources38.5% · raw 38.5 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Population and harness unstated. Exact label “ALE v1.1”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| ResearchRubrics | 81%unknown effort | All 1 recorded result & sources81% · raw 81 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Harness and judge unstated. Exact label “ResearchRubrics”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| MCP Atlas | 83.1%max effort | All 1 recorded result & sources83.1% · raw 83.1 % Headline · max effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Effort max, temperature 0.7, top_p 0.95, 256K context. Exact label “MCP Atlas”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| JobBench | 65.4%unknown effort | All 1 recorded result & sources65.4% · raw 65.4 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. JobBench Main 65, Claude Code v2.1.280, official chained-rubric judging with gemini-3.6-flash. Exact label “JobBench”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| SkillsBench v1.1 | 63.3%unknown effort | All 1 recorded result & sources63.3% · raw 63.3 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. v1.1, 87 tasks, Codex harness, top_k -1. Exact label “SkillsBench”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| GDPVal-AA rubrics (LongCat) | 84.8%unknown effort | All 1 recorded result & sources84.8% · raw 84.8 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Rubric score, not Elo. Exact label “GDPVal-AA rubrics”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| FrontierScience (LongCat; setup unspecified) | 77%unknown effort | All 1 recorded result & sources77% · raw 77 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Split and judge unstated. Exact label “FrontierScience”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| SpreadsheetBench 2 | 34.9%unknown effort | All 1 recorded result & sources34.9% · raw 34.9 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.116, official protocol; Visualization subset judged by gemini-3.6-flash. Exact label “SpreadsheetBench 2”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| FinSearchComp T3 (LongCat) | 63.4%unknown effort | All 1 recorded result & sources63.4% · raw 63.4 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Harness unstated. Exact label “FinSearchComp T3”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| Claw-Eval | 78.3%unknown effort | All 1 recorded result & sources78.3% · raw 78.3 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Pass³; task population unstated, so not mapped to any 157-task General setup. Exact label “Claw-Eval Pass^3”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| LongCatClawBench FORTE | 83.3%unknown effort | All 1 recorded result & sources83.3% · raw 83.3 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. LongCat’s own benchmark. Exact label “LongCatClawBench FORTE”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| 3DCodeBench Text→3D (LongCat) | 55.4%unknown effort | All 1 recorded result & sources55.4% · raw 55.4 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Harness and judge unstated. Exact label “3DCodeBench Text→3D”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| Vision2Web | 78.6%unknown effort | All 1 recorded result & sources78.6% · raw 78.6 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Claude Code v2.1.7, top_k 50, sequence length 256K. Exact label “Vision2Web”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| CharXiv (RQ split) | 90.2%unknown effort | All 1 recorded result & sources90.2% · raw 90.2 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. With tools, max generation 131,972 tokens. Exact label “CharXiv-RQ w/ tools”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| MathVision | 96.5%unknown effort | All 1 recorded result & sources96.5% · raw 96.5 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. With tools, max generation 131,972 tokens. Exact label “MathVision w/ tools”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| Video-MME | 85.2%unknown effort | All 1 recorded result & sources85.2% · raw 85.2 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. At most 2,048 frames at 1 fps, 256 tokens per frame; subtitle use unstated. Exact label “VideoMME”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| PosterBench (LongCat) | 77.4%unknown effort | All 1 recorded result & sources77.4% · raw 77.4 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. Harness and judge unstated. Exact label “PosterBench”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
| LongCatClawBench-MM FORTE-MM | 72.1%unknown effort | All 1 recorded result & sources72.1% · raw 72.1 % Headline · unknown effort · Own vendor Source/record date: 2026-11-01 LongCat run with thinking on, temperature 1.0, top_p 0.95 unless stated. LongCat’s own benchmark. Exact label “LongCatClawBench-MM FORTE-MM”. Self-reported; run date unpublished. https://longcat.ai/blog/longcat-2.5/ |
Independent evaluators
Evaluator harnesses are distinct from vendor measurements. Missing coverage is not a failed test.
No independent evaluator results are recorded for this model.
Read how we select and source scores or the comparison guide.