# 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.

- Canonical page: https://noometry.com/compare/kimi-k2-thinking-turbo-vs-mistral-medium-3-5
- Last updated: 2026-10-12
- Shared benchmarks: 17

## Summary

- 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.

## Snapshot

| | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 45.8 | 40.2 |
| Rank | 70 | 152 |
| Context | — | 262K |
| Input $/M | — | $1.50 |
| Output $/M | — | $7.50 |
| Weights | Open | Open |

## Coding

- 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: 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: 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: 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

- Kimi K2 Thinking Turbo: —
- Mistral Medium 3.5: 38.3 (#65)

| Benchmark | Kimi K2 Thinking Turbo | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1223 |

## Multilingual

- 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

- 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

- 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: 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 |

## FAQ

### 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.