Model comparison
Kimi K2 Thinking Turbo vs Mistral Medium 3.5
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 40.2 on the Noometry Index.
Last verified . 17 shared benchmarks.
Mistral AISummary
- They share 17 benchmarks with published results for both. Kimi K2 Thinking Turbo scores higher in 5 categories and Mistral Medium 3.5 in 3 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 32.5 to 17.3.
Side by side
| Kimi K2 Thinking Turbo | Mistral Medium 3.5 | |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 45.8 | 40.2 |
| Released | 2025-11-06 | — |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 210K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $7.50 |
| Results tracked | 21 | 22 |
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Category by category
Coding Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 38.4 (#178), Mistral Medium 3.5: 36.0 (#213)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena WebDev | 1322 | 1264 |
| LMArena Coding | 1454 | 1461 |
Reasoning Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 32.5 (#75), Mistral Medium 3.5: 17.3 (#295)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1428 | 1436 |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| Chess Puzzles | 20% | — |
| Epoch Capabilities Index | — | 141.35 |
Math Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 47.4 (#68), Mistral Medium 3.5: 39.1 (#113)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1429 | 1431 |
| OTIS Mock AIME 2024-2025 | 83.1% | — |
Knowledge Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 50.9 (#69), Mistral Medium 3.5: 40.0 (#126)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1439 | 1432 |
| GPQA Diamond | 84.2% | — |
Multimodal Not comparable
Kimi K2 Thinking Turbo: —, Mistral Medium 3.5: 38.3 (#65)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1223 |
Multilingual Too close to call
Kimi K2 Thinking Turbo: 51.4 (#109), Mistral Medium 3.5: 51.9 (#100)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1398 | 1404 |
| LMArena Chinese | 1456 | 1442 |
| LMArena French | 1425 | 1448 |
| LMArena German | 1390 | 1451 |
| LMArena Korean | 1330 | 1385 |
| LMArena Russian | 1391 | 1395 |
| LMArena Spanish | 1406 | 1409 |
| LMArena Japanese | 1357 | — |
Instruction Following Too close to call
Kimi K2 Thinking Turbo: 74.0 (#109), Mistral Medium 3.5: 74.6 (#90)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1403 | 1415 |
Long Context Too close to call
Kimi K2 Thinking Turbo: 43.2 (#102), Mistral Medium 3.5: 43.2 (#103)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1415 | 1415 |
Writing & Preference Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 60.0 (#104), Mistral Medium 3.5: 58.5 (#117)
| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1415 | 1421 |
| LMArena Creative Writing | 1374 | 1374 |
| LMArena Multi-Turn | 1414 | 1423 |
| EQ-Bench 4 | — | 993 |
Frequently asked questions
Is Kimi K2 Thinking Turbo better than Mistral Medium 3.5?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 40.2 on the Noometry Index.
Is Kimi K2 Thinking Turbo or Mistral Medium 3.5 better for coding?
Kimi K2 Thinking Turbo scores higher on coding benchmarks: 38.4 versus 36.0 in the Noometry coding category.
How many benchmarks do Kimi K2 Thinking Turbo and Mistral Medium 3.5 share?
17 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and Mistral Medium 3.5 has 22.