Model comparison
Claude 3.7 Sonnet vs Kimi K2 Thinking Turbo
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 39.5 on the Noometry Index.
Last verified . 19 shared benchmarks.
Summary
- They share 19 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 2 categories and Kimi K2 Thinking Turbo in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 32.5 to 18.6.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 57.8% for Claude 3.7 Sonnet and 83.1% for Kimi K2 Thinking Turbo.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.
Side by side
| Claude 3.7 Sonnet | Kimi K2 Thinking Turbo | |
|---|---|---|
| Provider | Anthropic | Moonshot AI |
| Noometry Index | 39.5 | 45.8 |
| Released | 2025-02-24 | 2025-11-06 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 58 | 21 |
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Category by category
Coding Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 40.6 (#136), Kimi K2 Thinking Turbo: 38.4 (#178)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Coding | 1361 | 1454 |
| SWE-bench Verified | 61% | — |
| SWE-bench Verified (bash only) | 52.8% | — |
| Aider Polyglot | 64.9% | — |
| LMArena WebDev | — | 1322 |
| GSO | 3.8% | — |
| LiveBench Coding | 74.5% | — |
| CadEval | 54% | — |
Agentic & Tool Use Not comparable
Claude 3.7 Sonnet: 34.1 (#50), Kimi K2 Thinking Turbo: —
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| TheAgentCompany | 30.9% | — |
| Cybench | 20% | — |
| DeepResearch Bench | 43.6% | — |
| OSWorld | 35.8% | — |
| METR Time Horizons | 60% | — |
Reasoning Kimi K2 Thinking Turbo leads
Claude 3.7 Sonnet: 18.6 (#277), Kimi K2 Thinking Turbo: 32.5 (#75)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Hard Prompts | 1333 | 1428 |
| ARC-AGI-2 | 0.9% | — |
| SimpleBench | 46.4% | — |
| ARC-AGI-1 | 28.6% | — |
| Chess Puzzles | — | 20% |
| EnigmaEval | 4.2% | — |
| LiveBench Reasoning | 87.8% | — |
| LiveBench Data Analysis | 74% | — |
| Epoch Capabilities Index | 141.16 | — |
| ForecastBench | 61.8 | — |
| LiveBench | 76.1% | — |
Math Kimi K2 Thinking Turbo leads
Claude 3.7 Sonnet: 37.5 (#153), Kimi K2 Thinking Turbo: 47.4 (#68)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | 83.1% |
| LMArena Math | 1337 | 1429 |
| Omni-MATH | 33% | — |
| LiveBench Math | 79% | — |
| MATH Level 5 | 91.2% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
Knowledge Kimi K2 Thinking Turbo leads
Claude 3.7 Sonnet: 39.8 (#130), Kimi K2 Thinking Turbo: 50.9 (#69)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| GPQA Diamond | 79.7% | 84.2% |
| LMArena Expert | 1321 | 1439 |
| Humanity's Last Exam | 8% | — |
| MMLU-Pro | 78.4% | — |
| Confabulations | 14.7% | — |
| GPQA (HELM) | 60.8% | — |
Multimodal Not comparable
Claude 3.7 Sonnet: 33.7 (#95), Kimi K2 Thinking Turbo: —
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Vision | 1169 | — |
| GeoBench | 68% | — |
| VPCT | 39% | — |
| SpatialViz-Bench | 33.9% | — |
Multilingual Kimi K2 Thinking Turbo leads
Claude 3.7 Sonnet: 44.1 (#179), Kimi K2 Thinking Turbo: 51.4 (#109)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | 1296 | 1398 |
| LMArena Chinese | 1299 | 1456 |
| LMArena French | 1303 | 1425 |
| LMArena German | 1301 | 1390 |
| LMArena Japanese | 1267 | 1357 |
| LMArena Korean | 1249 | 1330 |
| LMArena Russian | 1311 | 1391 |
| LMArena Spanish | 1298 | 1406 |
Instruction Following Kimi K2 Thinking Turbo leads
Claude 3.7 Sonnet: 72.9 (#125), Kimi K2 Thinking Turbo: 74.0 (#109)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | 1352 | 1403 |
| LiveBench Instruction Following | 81.3% | — |
| IFEval | 83.4% | — |
Long Context Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 50.3 (#10), Kimi K2 Thinking Turbo: 43.2 (#102)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | 1373 | 1415 |
| Fiction.LiveBench | 83.3% | — |
Writing & Preference Kimi K2 Thinking Turbo leads
Claude 3.7 Sonnet: 54.4 (#150), Kimi K2 Thinking Turbo: 60.0 (#104)
| Benchmark | Claude 3.7 Sonnet | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | 1314 | 1415 |
| LMArena Creative Writing | 1332 | 1374 |
| LMArena Multi-Turn | 1339 | 1414 |
| Short-Story Creative Writing | 81.1% | — |
| EQ-Bench Creative Writing | 1412 | — |
| WildBench | 81.4% | — |
| LiveBench Language | 59.9% | — |
Frequently asked questions
Is Claude 3.7 Sonnet better than Kimi K2 Thinking Turbo?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 39.5 on the Noometry Index.
Is Claude 3.7 Sonnet or Kimi K2 Thinking Turbo better for coding?
Claude 3.7 Sonnet scores higher on coding benchmarks: 40.6 versus 38.4 in the Noometry coding category.
How many benchmarks do Claude 3.7 Sonnet and Kimi K2 Thinking Turbo share?
19 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and Kimi K2 Thinking Turbo has 21.