# Mistral Medium 3.1 vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 36.5 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-medium-3-1-vs-yi-lightning
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Yi-Lightning leads 24.9 to 10.1.

## Snapshot

| | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| Provider | Mistral AI | 01.AI |
| Noometry Index | 31.5 | 36.5 |
| Rank | 260 | 206 |
| Context | 131K | — |
| Input $/M | $0.40 | — |
| Output $/M | $2 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Mistral Medium 3.1: —
- Yi-Lightning: 27.0 (#315)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| Aider Polyglot | — | 12.9% |
| LMArena Coding | — | 1313 |

## Reasoning

- Mistral Medium 3.1: 10.1 (#336)
- Yi-Lightning: 24.9 (#137)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| NYT Connections (extended) | 6.5% | — |
| Thematic Generalization | 20.3% | — |
| LMArena Hard Prompts | — | 1302 |

## Math

- Mistral Medium 3.1: —
- Yi-Lightning: 33.5 (#173)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Math | — | 1300 |

## Knowledge

- Mistral Medium 3.1: —
- Yi-Lightning: 34.8 (#182)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Expert | — | 1286 |

## Multilingual

- Mistral Medium 3.1: —
- Yi-Lightning: 42.4 (#191)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1304 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Mistral Medium 3.1: —
- Yi-Lightning: 67.6 (#191)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |

## Long Context

- Mistral Medium 3.1: —
- Yi-Lightning: 39.4 (#176)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | — | 1297 |

## Writing & Preference

- Mistral Medium 3.1: 55.6 (#140)
- Yi-Lightning: 50.4 (#178)

| Benchmark | Mistral Medium 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| EQ-Bench Creative Writing | 1476 | — |
| LMArena Multi-Turn | — | 1311 |

## FAQ

### Is Mistral Medium 3.1 better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 36.5 to 31.5 on the Noometry Index.

### How many benchmarks do Mistral Medium 3.1 and Yi-Lightning share?

0 benchmarks have published results for both models. Mistral Medium 3.1 has 3 scored results on Noometry and Yi-Lightning has 18.