# Mistral vs Qwen3.5 27B

> Qwen3.5 27B is the stronger model overall, scoring 41.4 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-vs-qwen3-5-27b
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Mistral scores higher in 0 categories and Qwen3.5 27B in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Qwen3.5 27B leads 59.5 to 37.2.
- Qwen3.5 27B has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral | Qwen3.5 27B |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 29.4 | 41.4 |
| Rank | 297 | 127 |
| Context | — | 262K |
| Input $/M | — | $0.30 |
| Output $/M | — | $2.40 |
| Weights | Proprietary | Open |

## Coding

- Mistral: 33.2 (#249)
- Qwen3.5 27B: 38.6 (#159)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Coding | 1162 | 1427 |
| LMArena WebDev | — | 1357 |
| WeirdML | — | 39.5% |
| ALE-Bench | — | 349.45 |

## Agentic & Tool Use

- Mistral: —
- Qwen3.5 27B: —

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| Vending-Bench 2 | — | 201.98 |

## Reasoning

- Mistral: 21.3 (#199)
- Qwen3.5 27B: 26.6 (#116)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Hard Prompts | 1149 | 1414 |
| NYT Connections (extended) | — | 47.9% |
| Thematic Generalization | — | 45.5% |
| DTBench | — | 82.4% |
| LMCA | — | 34% |

## Math

- Mistral: 20.5 (#275)
- Qwen3.5 27B: 36.8 (#103)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Math | 1180 | 1428 |
| MathArena Final-Answer Competitions | — | 56.7% |
| Omni-MATH | 7.2% | — |

## Knowledge

- Mistral: 16.3 (#283)
- Qwen3.5 27B: 37.4 (#149)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Expert | 1125 | 1428 |
| MMLU-Pro | 27.7% | — |
| Vectara Hallucination Rate | — | 12.1% |
| GPQA (HELM) | 30.3% | — |

## Multimodal

- Mistral: —
- Qwen3.5 27B: 38.7 (#56)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | — | 1240 |

## Multilingual

- Mistral: 33.0 (#249)
- Qwen3.5 27B: 51.0 (#112)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | 1129 | 1390 |
| LMArena Chinese | 1109 | 1478 |
| LMArena French | 1179 | 1409 |
| LMArena German | 1155 | 1393 |
| LMArena Japanese | 1012 | 1345 |
| LMArena Korean | 1032 | 1359 |
| LMArena Russian | 1168 | 1389 |
| LMArena Spanish | 1143 | 1408 |

## Instruction Following

- Mistral: 52.9 (#283)
- Qwen3.5 27B: 73.7 (#114)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | 1152 | 1393 |
| IFEval | 56.8% | — |

## Long Context

- Mistral: 35.0 (#240)
- Qwen3.5 27B: 43.1 (#103)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | 1154 | 1413 |

## Writing & Preference

- Mistral: 37.2 (#255)
- Qwen3.5 27B: 59.5 (#106)

| Benchmark | Mistral | Qwen3.5 27B |
|---|---|---|
| LMArena Text | 1165 | 1409 |
| LMArena Creative Writing | 1158 | 1362 |
| LMArena Multi-Turn | 1147 | 1410 |
| WildBench | 66% | — |

## FAQ

### Is Mistral better than Qwen3.5 27B?

Qwen3.5 27B is the stronger model overall, scoring 41.4 to 29.4 on the Noometry Index.

### Is Mistral or Qwen3.5 27B better for coding?

Qwen3.5 27B scores higher on coding benchmarks: 38.6 versus 33.2 in the Noometry coding category.

### How many benchmarks do Mistral and Qwen3.5 27B share?

17 benchmarks have published results for both models. Mistral has 22 scored results on Noometry and Qwen3.5 27B has 28.