# Kimi K2.5 Instant vs Mistral

> Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 29.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-5-instant-vs-mistral
- Last updated: 2026-10-11
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Kimi K2.5 Instant 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 K2.5 Instant leads 60.6 to 37.0.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2.5 Instant | Mistral |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 43.6 | 29.9 |
| Rank | 89 | 303 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Kimi K2.5 Instant: 42.6 (#97)
- Mistral: 33.8 (#250)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Coding | 1484 | 1162 |
| LMArena WebDev | 1404 | — |

## Reasoning

- Kimi K2.5 Instant: 29.7 (#90)
- Mistral: 22.2 (#200)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1149 |

## Math

- Kimi K2.5 Instant: 39.4 (#105)
- Mistral: 22.3 (#278)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Math | 1442 | 1180 |
| Omni-MATH | — | 7.2% |

## Knowledge

- Kimi K2.5 Instant: 40.2 (#123)
- Mistral: 16.6 (#288)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Expert | 1440 | 1125 |
| MMLU-Pro | — | 27.7% |
| GPQA (HELM) | — | 30.3% |

## Multimodal

- Kimi K2.5 Instant: 40.2 (#50)
- Mistral: —

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Vision | 1254 | — |

## Multilingual

- Kimi K2.5 Instant: 52.0 (#94)
- Mistral: 32.8 (#254)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Non-English | 1406 | 1129 |
| LMArena Chinese | 1449 | 1109 |
| LMArena French | 1403 | 1180 |
| LMArena German | 1413 | 1155 |
| LMArena Korean | 1378 | 1032 |
| LMArena Russian | 1404 | 1168 |
| LMArena Spanish | 1447 | 1143 |
| LMArena Japanese | — | 1013 |

## Instruction Following

- Kimi K2.5 Instant: 75.3 (#65)
- Mistral: 52.6 (#288)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Instruction Following | 1430 | 1152 |
| IFEval | — | 56.8% |

## Long Context

- Kimi K2.5 Instant: 43.9 (#83)
- Mistral: 35.0 (#245)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Longer Query | 1435 | 1153 |

## Writing & Preference

- Kimi K2.5 Instant: 60.6 (#95)
- Mistral: 37.0 (#260)

| Benchmark | Kimi K2.5 Instant | Mistral |
|---|---|---|
| LMArena Text | 1420 | 1165 |
| LMArena Creative Writing | 1381 | 1158 |
| LMArena Multi-Turn | 1427 | 1147 |
| WildBench | — | 66% |

## FAQ

### Is Kimi K2.5 Instant better than Mistral?

Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 29.9 on the Noometry Index.

### Is Kimi K2.5 Instant or Mistral better for coding?

Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 33.8 in the Noometry coding category.

### How many benchmarks do Kimi K2.5 Instant and Mistral share?

16 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Mistral has 22.