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Model profilesv d9d59b7

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.

Official / vendor headline scores; expand evidence for every record
Benchmark / evaluatorHeadline scoreEvidence
Terminal-Bench 2.188.4%unknown effort
All 1 recorded result & sources

88.4% · 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 Self-reported; run date unpublished.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 4.038.5%unknown effort
All 1 recorded result & sources

38.5% · 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 Self-reported; run date unpublished.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 & sources

25.5% · 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 Self-reported; run date unpublished.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 v1.164.6%unknown effort
All 1 recorded result & sources

64.6% · 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 Self-reported; run date unpublished.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/
PaperBench82.1%unknown effort
All 1 recorded result & sources

82.1% · 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 QnA58.3%unknown effort
All 1 recorded result & sources

58.3% · 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 Refactoring55.2%unknown effort
All 1 recorded result & sources

55.2% · 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 Writing47.8%unknown effort
All 1 recorded result & sources

47.8% · 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 & sources

60.5% · 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 & sources

73.7% · 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/
BrowseComp91.9%unknown effort
All 1 recorded result & sources

91.9% · 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 v1.0.651.8%unknown effort
All 1 recorded result & sources

51.8% · 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 & sources

63.1% · 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 & sources

38.5% · 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/
ResearchRubrics81%unknown effort
All 1 recorded result & sources

81% · 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 Atlas83.1%max effort
All 1 recorded result & sources

83.1% · 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/
JobBench65.4%unknown effort
All 1 recorded result & sources

65.4% · 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 v1.163.3%unknown effort
All 1 recorded result & sources

63.3% · 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 & sources

84.8% · 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 & sources

77% · 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 234.9%unknown effort
All 1 recorded result & sources

34.9% · 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 & sources

63.4% · 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-Eval78.3%unknown effort
All 1 recorded result & sources

78.3% · 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 FORTE83.3%unknown effort
All 1 recorded result & sources

83.3% · 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 & sources

55.4% · 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/
Vision2Web78.6%unknown effort
All 1 recorded result & sources

78.6% · 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 & sources

90.2% · 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/
MathVision96.5%unknown effort
All 1 recorded result & sources

96.5% · 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-MME85.2%unknown effort
All 1 recorded result & sources

85.2% · 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 & sources

77.4% · 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-MM72.1%unknown effort
All 1 recorded result & sources

72.1% · 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.