# Kimi K2 (Jul 2025) vs Mistral

> Kimi K2 (Jul 2025) is the stronger model overall, scoring 40.9 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-vs-mistral
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Kimi K2 (Jul 2025) scores higher in 8 categories and Mistral in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2 (Jul 2025) leads 62.5 to 37.2.
- The biggest single-benchmark swing is Omni-MATH: 65.4% for Kimi K2 (Jul 2025) and 7.2% for Mistral.
- Kimi K2 (Jul 2025) has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 40.9 | 29.4 |
| Rank | 134 | 297 |
| Context | 262K | — |
| Input $/M | $0.57 | — |
| Output $/M | $2.30 | — |
| Weights | Open | Proprietary |

## Coding

- Kimi K2 (Jul 2025): 43.1 (#83)
- Mistral: 33.2 (#249)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| LMArena Coding | 1399 | 1162 |
| SWE-bench Verified (bash only) | 63.4% | — |
| Aider Polyglot | 59.1% | — |
| GSO | 4.9% | — |
| WeirdML | 42.8% | — |
| ALE-Bench | 597.5 | — |

## Agentic & Tool Use

- Kimi K2 (Jul 2025): 32.2 (#59)
- Mistral: —

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| Terminal-Bench | 35.7% | — |
| Berkeley Function Calling Leaderboard | 59.1% | — |
| METR Time Horizons | 59.2% | — |

## Reasoning

- Kimi K2 (Jul 2025): 22.7 (#173)
- Mistral: 21.3 (#199)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| LMArena Hard Prompts | 1384 | 1149 |
| SimpleBench | 26.3% | — |
| Kagi LLM Benchmark | 64.4% | — |
| Epoch Capabilities Index | 146.02 | — |
| ForecastBench | 60.2 | — |

## Math

- Kimi K2 (Jul 2025): 40.1 (#81)
- Mistral: 20.5 (#275)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| Omni-MATH | 65.4% | 7.2% |
| LMArena Math | 1396 | 1180 |
| FrontierMath (Feb 2025 set) | 21.4% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Kimi K2 (Jul 2025): 36.9 (#153)
- Mistral: 16.3 (#283)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| MMLU-Pro | 81.9% | 27.7% |
| GPQA (HELM) | 65.3% | 30.3% |
| LMArena Expert | 1363 | 1125 |
| Confabulations | 20.4% | — |
| Vectara Hallucination Rate | 17.9% | — |

## Multilingual

- Kimi K2 (Jul 2025): 49.8 (#125)
- Mistral: 33.0 (#249)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| LMArena Non-English | 1372 | 1129 |
| LMArena Chinese | 1416 | 1109 |
| LMArena French | 1379 | 1179 |
| LMArena German | 1386 | 1155 |
| LMArena Japanese | 1349 | 1012 |
| LMArena Korean | 1324 | 1032 |
| LMArena Russian | 1384 | 1168 |
| LMArena Spanish | 1383 | 1143 |

## Instruction Following

- Kimi K2 (Jul 2025): 71.3 (#151)
- Mistral: 52.9 (#283)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| IFEval | 85% | 56.8% |
| LMArena Instruction Following | 1347 | 1152 |

## Long Context

- Kimi K2 (Jul 2025): 41.2 (#140)
- Mistral: 35.0 (#240)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| LMArena Longer Query | 1353 | 1154 |
| Fiction.LiveBench | 66.7% | — |
| CL-bench | 17.6% | — |

## Writing & Preference

- Kimi K2 (Jul 2025): 62.5 (#76)
- Mistral: 37.2 (#255)

| Benchmark | Kimi K2 (Jul 2025) | Mistral |
|---|---|---|
| LMArena Text | 1380 | 1165 |
| LMArena Creative Writing | 1349 | 1158 |
| WildBench | 86.2% | 66% |
| LMArena Multi-Turn | 1371 | 1147 |
| Short-Story Creative Writing | 85.6% | — |
| EQ-Bench Creative Writing | 1666 | — |

## FAQ

### Is Kimi K2 (Jul 2025) better than Mistral?

Kimi K2 (Jul 2025) is the stronger model overall, scoring 40.9 to 29.4 on the Noometry Index.

### Is Kimi K2 (Jul 2025) or Mistral better for coding?

Kimi K2 (Jul 2025) scores higher on coding benchmarks: 43.1 versus 33.2 in the Noometry coding category.

### How many benchmarks do Kimi K2 (Jul 2025) and Mistral share?

22 benchmarks have published results for both models. Kimi K2 (Jul 2025) has 42 scored results on Noometry and Mistral has 22.