Model comparison
Kimi K2 (Jul 2025) vs Kimi K2 Thinking Turbo
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 41.2 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Kimi K2 (Jul 2025) 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 knowledge, where Kimi K2 Thinking Turbo leads 50.9 to 37.3.
Side by side
| Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo | |
|---|---|---|
| Provider | Moonshot AI | Moonshot AI |
| Noometry Index | 41.2 | 45.8 |
| Released | 2025-07-12 | 2025-11-06 |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.57 | — |
| Output $ / M tokens | $2.30 | — |
| Results tracked | 42 | 21 |
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Category by category
Coding Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 42.4 (#102), Kimi K2 Thinking Turbo: 38.4 (#178)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Coding | 1399 | 1454 |
| SWE-bench Verified (bash only) | 63.4% | — |
| Aider Polyglot | 59.1% | — |
| LMArena WebDev | — | 1322 |
| GSO | 4.9% | — |
| WeirdML | 42.8% | — |
| ALE-Bench | 597.5 | — |
Agentic & Tool Use Not comparable
Kimi K2 (Jul 2025): 32.4 (#64), Kimi K2 Thinking Turbo: —
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| Terminal-Bench | 35.7% | — |
| Berkeley Function Calling Leaderboard | 59.1% | — |
| METR Time Horizons | 59.2% | — |
Reasoning Kimi K2 Thinking Turbo leads
Kimi K2 (Jul 2025): 23.3 (#179), Kimi K2 Thinking Turbo: 32.5 (#75)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Hard Prompts | 1384 | 1428 |
| SimpleBench | 26.3% | — |
| Kagi LLM Benchmark | 64.4% | — |
| Chess Puzzles | — | 20% |
| Epoch Capabilities Index | 146.01 | — |
| ForecastBench | 60.2 | — |
Math Kimi K2 Thinking Turbo leads
Kimi K2 (Jul 2025): 42.7 (#83), Kimi K2 Thinking Turbo: 47.4 (#68)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Math | 1397 | 1429 |
| OTIS Mock AIME 2024-2025 | — | 83.1% |
| Omni-MATH | 65.4% | — |
| FrontierMath (Feb 2025 set) | 21.4% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Kimi K2 Thinking Turbo leads
Kimi K2 (Jul 2025): 37.3 (#157), Kimi K2 Thinking Turbo: 50.9 (#69)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Expert | 1365 | 1439 |
| GPQA Diamond | — | 84.2% |
| MMLU-Pro | 81.9% | — |
| Confabulations | 20.4% | — |
| Vectara Hallucination Rate | 17.9% | — |
| GPQA (HELM) | 65.3% | — |
Multilingual Kimi K2 Thinking Turbo leads
Kimi K2 (Jul 2025): 49.6 (#130), Kimi K2 Thinking Turbo: 51.4 (#109)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | 1372 | 1398 |
| LMArena Chinese | 1415 | 1456 |
| LMArena French | 1379 | 1425 |
| LMArena German | 1387 | 1390 |
| LMArena Japanese | 1349 | 1357 |
| LMArena Korean | 1325 | 1330 |
| LMArena Russian | 1385 | 1391 |
| LMArena Spanish | 1386 | 1406 |
Instruction Following Kimi K2 Thinking Turbo leads
Kimi K2 (Jul 2025): 71.1 (#156), Kimi K2 Thinking Turbo: 74.0 (#109)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | 1348 | 1403 |
| IFEval | 85% | — |
Long Context Kimi K2 Thinking Turbo leads
Kimi K2 (Jul 2025): 41.2 (#145), Kimi K2 Thinking Turbo: 43.2 (#102)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | 1353 | 1415 |
| Fiction.LiveBench | 66.7% | — |
| CL-bench | 17.6% | — |
Writing & Preference Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 62.3 (#78), Kimi K2 Thinking Turbo: 60.0 (#104)
| Benchmark | Kimi K2 (Jul 2025) | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | 1380 | 1415 |
| LMArena Creative Writing | 1350 | 1374 |
| LMArena Multi-Turn | 1371 | 1414 |
| Short-Story Creative Writing | 85.6% | — |
| EQ-Bench Creative Writing | 1666 | — |
| WildBench | 86.2% | — |
Frequently asked questions
Is Kimi K2 (Jul 2025) better than Kimi K2 Thinking Turbo?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 41.2 on the Noometry Index.
Is Kimi K2 (Jul 2025) or Kimi K2 Thinking Turbo better for coding?
Kimi K2 (Jul 2025) scores higher on coding benchmarks: 42.4 versus 38.4 in the Noometry coding category.
How many benchmarks do Kimi K2 (Jul 2025) and Kimi K2 Thinking Turbo share?
17 benchmarks have published results for both models. Kimi K2 (Jul 2025) has 42 scored results on Noometry and Kimi K2 Thinking Turbo has 21.