- SWE-Bench verified, ACC 69.2
- SWE-Bench Multilingual, ACC 55.9
- Multi-SWE-Bench, ACC 33.5
- Terminal-Bench, ACC 44.5
- SWE-Dev, ACC 66.6
Kimi K2 Sep 2025
Kimi K2 ranks first on Slop Score.
32
Benchmarks with a score
1
Ranked first, out of five or more models
1
In the top three
Moonshot AI Sep 2025
Kimi K2
Sep 2025 snapshot Open weights Flagship
No Epoch Capabilities Index score yet
- Terminal-Bench 2.0 27.8% #33 /43
- Toolathlon 13% #48 /50
- VITA-Bench 11.5% #17 /18
Where it ranks
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
Knowledge and language
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Slop Score | 18.3 | #1 of 17 | Official leaderboard | |
| Vectara Hallucination Leaderboard (HHEM) | 6.20% | #45 of 148 | Official leaderboard | |
| LMArena (Elo) | 1,418 | #104 of 333 | Official leaderboard | |
| Fiction.LiveBench | 66.7% | #26 of 57 | Epoch AI | |
| Longform Creative Writing (EQ-Bench) | 63.8 | #56 of 119 | Official leaderboard | |
| Wer wird Millionär? LLM Benchmark | 2711.0 | #42 of 76 | Official leaderboard | |
| BullshitBench | 20% | #70 of 107 | Official leaderboard | |
| BullshitBench V2 | 10% | #107 of 122 | Official leaderboard | |
| Vectara Hallucination Leaderboard (2025 dataset) | 17.9% | #96 of 104 | Official leaderboard | |
| CL-bench | 11.9% | #23 of 24 | Official leaderboard |
Math and science
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| ForecastBench | 62.7 | #37 of 83 | Epoch AI | |
| AMO-Bench | 7.50% | #18 of 21 | Official leaderboard |
Coding
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| SWE-bench Verified | 71.2% | #13 of 60 | Official leaderboard | |
| Aider Polyglot | 59.1% | #20 of 54 | Epoch AI | |
| SWE-fficiency | 5.37% | #11 of 17 | Official leaderboard | |
| WeirdML | 36.7% | #95 of 130 | Epoch AI | |
| Multi-SWE-bench | 33.5% | #8 of 10 | Model card | |
| SWE-bench Multilingual | 55.9% | #62 of 70 | Model card | |
| ALE-Bench | 267 | #114 of 121 | Epoch AI | |
| SWE-Dev | 66.6% | #1 of 1 | Model card |
Agents and tools
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Terminal-Bench | 44.5% | #6 of 22 | Model card | |
| MCP-Universe | 26.4% | #12 of 30 | Official leaderboard | |
| Meta Agents Research Environments (ARE) / Gaia2 | 20.1% | #6 of 13 | Official leaderboard | |
| MCPMark | 21.9% | #14 of 28 | Official leaderboard | |
| CompileBench | 80% | #10 of 20 | Official leaderboard | |
| Terminal-Bench 2.0 | 27.8% | #33 of 43 | Official leaderboard | |
| VITA-Bench | 11.5% | #17 of 18 | Official leaderboard | |
| Toolathlon | 13% | #48 of 50 | Official leaderboard |
Professional work
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| StockBench | 1.90% | #7 of 13 | Official leaderboard | |
| ProfBench | 44.2% | #50 of 72 | Official leaderboard |
Safety and security
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Spiral-Bench v1.2 | 57.2 | #7 of 21 | Official leaderboard | |
| Spiral-Bench v1.0 | 73.0 | #6 of 13 | Official leaderboard |
Its launch post
The benchmarks the lab chose to headline, with the scores it gave.