# MiMo-V2.6-Pro vs Mistral Small 3.1

> MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 31.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-6-pro-vs-mistral-small-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. MiMo-V2.6-Pro scores higher in 9 categories and Mistral Small 3.1 in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Pro leads 66.9 to 37.2.
- Mistral Small 3.1 is cheaper at $0.35 / $0.56 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.6-Pro.
- MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 128K.

## Snapshot

| | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| Provider | Xiaomi | Mistral AI |
| Noometry Index | 46.7 | 31.4 |
| Rank | 55 | 263 |
| Context | 1.05M | 128K |
| Input $/M | $0.43 | $0.35 |
| Output $/M | $0.87 | $0.56 |
| Weights | Open | Open |

## Coding

- MiMo-V2.6-Pro: 53.2 (#27)
- Mistral Small 3.1: 37.7 (#175)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 1538 | 1309 |
| LMArena WebDev | 1618 | — |

## Reasoning

- MiMo-V2.6-Pro: 30.4 (#76)
- Mistral Small 3.1: 18.9 (#249)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Hard Prompts | 1511 | 1278 |
| Chess Puzzles | — | 1% |
| Epoch Capabilities Index | — | 127.48 |

## Math

- MiMo-V2.6-Pro: 37.9 (#91)
- Mistral Small 3.1: 13.7 (#295)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Math | 1497 | 1261 |
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| Omni-MATH | — | 24.8% |

## Knowledge

- MiMo-V2.6-Pro: 43.0 (#85)
- Mistral Small 3.1: 22.6 (#266)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Expert | 1548 | 1258 |
| GPQA Diamond | — | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |

## Multimodal

- MiMo-V2.6-Pro: 40.2 (#40)
- Mistral Small 3.1: 32.6 (#93)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | 1265 | 1136 |

## Multilingual

- MiMo-V2.6-Pro: 57.0 (#15)
- Mistral Small 3.1: 41.4 (#204)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 1474 | 1255 |
| LMArena Chinese | 1532 | 1254 |
| LMArena Russian | 1481 | 1263 |
| LMArena French | — | 1270 |
| LMArena German | — | 1266 |
| LMArena Japanese | — | 1210 |
| LMArena Korean | — | 1206 |
| LMArena Spanish | — | 1283 |

## Instruction Following

- MiMo-V2.6-Pro: 78.2 (#10)
- Mistral Small 3.1: 63.8 (#225)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Instruction Following | 1490 | 1264 |
| IFEval | — | 75% |

## Long Context

- MiMo-V2.6-Pro: 46.0 (#26)
- Mistral Small 3.1: 39.5 (#172)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | 1500 | 1300 |

## Writing & Preference

- MiMo-V2.6-Pro: 66.9 (#32)
- Mistral Small 3.1: 37.2 (#254)

| Benchmark | MiMo-V2.6-Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 1491 | 1278 |
| LMArena Creative Writing | 1465 | 1253 |
| LMArena Multi-Turn | 1463 | 1270 |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |

## FAQ

### Is MiMo-V2.6-Pro better than Mistral Small 3.1?

MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 31.4 on the Noometry Index.

### Which is cheaper, MiMo-V2.6-Pro or Mistral Small 3.1?

Mistral Small 3.1 is cheaper. It lists at $0.35 per million input tokens and $0.56 per million output tokens; MiMo-V2.6-Pro lists at $0.43 and $0.87.

### Is MiMo-V2.6-Pro or Mistral Small 3.1 better for coding?

MiMo-V2.6-Pro scores higher on coding benchmarks: 53.2 versus 37.7 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.6-Pro does, with 1.05M tokens against 128K.

### How many benchmarks do MiMo-V2.6-Pro and Mistral Small 3.1 share?

13 benchmarks have published results for both models. MiMo-V2.6-Pro has 14 scored results on Noometry and Mistral Small 3.1 has 28.