# Hy3 vs Mistral Small 3.1

> Hy3 is the stronger model overall, scoring 44.2 to 31.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/hy3-vs-mistral-small-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Hy3 scores higher in 8 categories and Mistral Small 3.1 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Hy3 leads 40.1 to 14.7.
- Hy3 is cheaper at $0.0825 / $0.33 per million input/output tokens, against $0.35 / $0.56 for Mistral Small 3.1.
- Hy3 accepts more context: 262K tokens versus 128K.

## Snapshot

| | Hy3 | Mistral Small 3.1 |
|---|---|---|
| Provider | Tencent | Mistral AI |
| Noometry Index | 44.2 | 31.7 |
| Rank | 79 | 269 |
| Context | 262K | 128K |
| Input $/M | $0.0825 | $0.35 |
| Output $/M | $0.33 | $0.56 |
| Weights | Open | Open |

## Coding

- Hy3: 46.8 (#63)
- Mistral Small 3.1: 38.3 (#179)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 1464 | 1309 |
| LMArena WebDev | 1508 | — |

## Reasoning

- Hy3: 26.1 (#136)
- Mistral Small 3.1: 19.7 (#254)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Hard Prompts | 1447 | 1278 |
| NYT Connections (extended) | 41.2% | — |
| Chess Puzzles | — | 1% |
| Epoch Capabilities Index | — | 127.48 |

## Math

- Hy3: 40.1 (#93)
- Mistral Small 3.1: 14.7 (#301)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Math | 1475 | 1262 |
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| Omni-MATH | — | 24.8% |

## Knowledge

- Hy3: 40.8 (#114)
- Mistral Small 3.1: 22.6 (#271)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Expert | 1460 | 1257 |
| GPQA Diamond | — | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |

## Multimodal

- Hy3: —
- Mistral Small 3.1: 33.2 (#99)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |

## Multilingual

- Hy3: 53.5 (#65)
- Mistral Small 3.1: 41.2 (#209)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 1426 | 1255 |
| LMArena Chinese | 1493 | 1253 |
| LMArena French | 1461 | 1273 |
| LMArena German | 1439 | 1266 |
| LMArena Japanese | 1392 | 1208 |
| LMArena Korean | 1395 | 1206 |
| LMArena Russian | 1432 | 1263 |
| LMArena Spanish | 1456 | 1283 |

## Instruction Following

- Hy3: 75.1 (#70)
- Mistral Small 3.1: 63.6 (#230)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Instruction Following | 1426 | 1264 |
| IFEval | — | 75% |

## Long Context

- Hy3: 44.1 (#75)
- Mistral Small 3.1: 39.5 (#178)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | 1442 | 1299 |

## Writing & Preference

- Hy3: 62.2 (#81)
- Mistral Small 3.1: 37.0 (#259)

| Benchmark | Hy3 | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 1439 | 1277 |
| LMArena Creative Writing | 1402 | 1253 |
| LMArena Multi-Turn | 1436 | 1270 |
| EQ-Bench Creative Writing | — | 761 |
| WildBench | — | 78.8% |

## FAQ

### Is Hy3 better than Mistral Small 3.1?

Hy3 is the stronger model overall, scoring 44.2 to 31.7 on the Noometry Index.

### Which is cheaper, Hy3 or Mistral Small 3.1?

Hy3 is cheaper. It lists at $0.0825 per million input tokens and $0.33 per million output tokens; Mistral Small 3.1 lists at $0.35 and $0.56.

### Is Hy3 or Mistral Small 3.1 better for coding?

Hy3 scores higher on coding benchmarks: 46.8 versus 38.3 in the Noometry coding category.

### Which has the bigger context window?

Hy3 does, with 262K tokens against 128K.

### How many benchmarks do Hy3 and Mistral Small 3.1 share?

17 benchmarks have published results for both models. Hy3 has 19 scored results on Noometry and Mistral Small 3.1 has 28.
