Model comparison
Grok-3 mini 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 . 19 shared benchmarks.
Summary
- They share 19 benchmarks with published results for both. Grok-3 mini 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 13.6.
- The biggest single-benchmark swing is GPQA Diamond: 76.3% for Grok-3 mini and 84.2% for Kimi K2 Thinking Turbo.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.
Side by side
| Grok-3 mini | Kimi K2 Thinking Turbo | |
|---|---|---|
| Provider | xAI | Moonshot AI |
| Noometry Index | 41.2 | 45.8 |
| Released | 2025-04-09 | 2025-11-06 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 35 | 21 |
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Category by category
Coding Grok-3 mini leads
Grok-3 mini: 40.8 (#131), Kimi K2 Thinking Turbo: 38.4 (#178)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Coding | 1379 | 1454 |
| Aider Polyglot | 49.3% | — |
| LMArena WebDev | — | 1322 |
| WeirdML | 42.6% | — |
Reasoning Kimi K2 Thinking Turbo leads
Grok-3 mini: 13.6 (#334), Kimi K2 Thinking Turbo: 32.5 (#75)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Hard Prompts | 1375 | 1428 |
| ARC-AGI-2 | 0.4% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 16.5% | — |
| Chess Puzzles | — | 20% |
| Epoch Capabilities Index | 140.35 | — |
Math Kimi K2 Thinking Turbo leads
Grok-3 mini: 42.1 (#85), Kimi K2 Thinking Turbo: 47.4 (#68)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 77.8% | 83.1% |
| LMArena Math | 1386 | 1429 |
| Omni-MATH | 31.8% | — |
| MATH Level 5 | 90.9% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |
Knowledge Kimi K2 Thinking Turbo leads
Grok-3 mini: 46.4 (#81), Kimi K2 Thinking Turbo: 50.9 (#69)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| GPQA Diamond | 76.3% | 84.2% |
| LMArena Expert | 1395 | 1439 |
| MMLU-Pro | 79.9% | — |
| Confabulations | 10.8% | — |
| GPQA (HELM) | 67.5% | — |
Multilingual Kimi K2 Thinking Turbo leads
Grok-3 mini: 48.1 (#145), Kimi K2 Thinking Turbo: 51.4 (#109)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | 1352 | 1398 |
| LMArena Chinese | 1387 | 1456 |
| LMArena French | 1357 | 1425 |
| LMArena German | 1349 | 1390 |
| LMArena Japanese | 1342 | 1357 |
| LMArena Korean | 1335 | 1330 |
| LMArena Russian | 1353 | 1391 |
| LMArena Spanish | 1381 | 1406 |
Instruction Following Grok-3 mini leads
Grok-3 mini: 78.5 (#9), Kimi K2 Thinking Turbo: 74.0 (#109)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | 1357 | 1403 |
| IFEval | 95.1% | — |
Long Context Kimi K2 Thinking Turbo leads
Grok-3 mini: 41.0 (#147), Kimi K2 Thinking Turbo: 43.2 (#102)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | 1372 | 1415 |
| Fiction.LiveBench | 66.7% | — |
Writing & Preference Kimi K2 Thinking Turbo leads
Grok-3 mini: 52.5 (#169), Kimi K2 Thinking Turbo: 60.0 (#104)
| Benchmark | Grok-3 mini | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | 1370 | 1415 |
| LMArena Creative Writing | 1342 | 1374 |
| LMArena Multi-Turn | 1355 | 1414 |
| Short-Story Creative Writing | 73.5% | — |
| WildBench | 65.1% | — |
Frequently asked questions
Is Grok-3 mini 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 Grok-3 mini or Kimi K2 Thinking Turbo better for coding?
Grok-3 mini scores higher on coding benchmarks: 40.8 versus 38.4 in the Noometry coding category.
How many benchmarks do Grok-3 mini and Kimi K2 Thinking Turbo share?
19 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Kimi K2 Thinking Turbo has 21.