LongCat-Flash-Thinking-2601
Announced on meituan.com
Benchmark results
| Benchmark | Score | Source check |
|---|---|---|
| SWE-bench Verifiedaverage of 5 runs | 70.0% | |
| AIME 2025With tools · with python; average of 16 runs | 99.6% | CorroboratedThe same number is printed in 1 other lab document: 1 |
| heavy thinking mode; with python; average of 16 runs · parallel test-time compute | 100.0% | CorroboratedThe same number is printed in 1 other lab document: 1 |
| LiveCodeBenchaverage of 4 runs; problems from Aug 2024 to May 2025 | 82.8% | CorroboratedThe same number is printed in 1 other lab document: 1 |
| τ²-benchTelecom · average of 4 runs | 99.3% | |
| τ²-benchRetail · average of 4 runs | 88.6% | |
| τ²-benchAirline · average of 4 runs; airline environment fixes from the Claude Opus 4.5 report | 76.5% |
Sources
Reported by Meituan
- LongCat-Flash-Thinking-2601 model card (Hugging Face)huggingface.co · 20 Jan 2026
- 美团 LongCat-Flash-Thinking-2601 发布，工具调用能力登顶开源 SOTA！tech.meituan.com · 20 Jan 2026
Original image
