# Mistral Medium vs Qwen3.5 27B

> Qwen3.5 27B is the stronger model overall, scoring 41.4 to 36.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-medium-vs-qwen3-5-27b
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Mistral Medium scores higher in 3 categories and Qwen3.5 27B in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.5 27B leads 37.4 to 24.9.
- The biggest single-benchmark swing is Vectara Hallucination Rate: 22.7% for Mistral Medium and 12.1% for Qwen3.5 27B.
- Qwen3.5 27B is cheaper at $0.30 / $2.40 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium.

## Snapshot

| | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 36.0 | 41.4 |
| Rank | 211 | 127 |
| Context | 262K | 262K |
| Input $/M | $1.50 | $0.30 |
| Output $/M | $7.50 | $2.40 |
| Weights | Open | Open |

## Coding

- Mistral Medium: 33.8 (#241)
- Qwen3.5 27B: 38.6 (#159)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| WeirdML | 43.7% | 39.5% |
| LMArena Coding | 1434 | 1427 |
| ALE-Bench | 763.98 | 349.45 |
| FrontierCode | 8% | — |
| LMArena WebDev | — | 1357 |
| SciCode | 40.2% | — |

## Agentic & Tool Use

- Mistral Medium: 28.1 (#84)
- Qwen3.5 27B: —

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 37.7% | — |
| Vending-Bench 2 | — | 201.98 |

## Reasoning

- Mistral Medium: 23.3 (#165)
- Qwen3.5 27B: 26.6 (#116)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Hard Prompts | 1426 | 1414 |
| DTBench | 75.5% | 82.4% |
| LMCA | 26.1% | 34% |
| Kagi LLM Benchmark | 50% | — |
| NYT Connections (extended) | — | 47.9% |
| CritPt | 0% | — |
| Thematic Generalization | — | 45.5% |
| Surface Evolver Bench | 26.9% | — |

## Math

- Mistral Medium: 27.2 (#238)
- Qwen3.5 27B: 36.8 (#103)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Math | 1409 | 1428 |
| MathArena Final-Answer Competitions | — | 56.7% |
| OTIS Mock AIME 2024-2025 | 32.2% | — |
| ProofBench | 9% | — |
| MATH Level 5 | 81.6% | — |
| FrontierMath (Feb 2025 set) | 0.3% | — |

## Knowledge

- Mistral Medium: 24.9 (#260)
- Qwen3.5 27B: 37.4 (#149)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| Vectara Hallucination Rate | 22.7% | 12.1% |
| LMArena Expert | 1408 | 1428 |
| GPQA Diamond | 59.5% | — |
| Humanity's Last Exam | 4.5% | — |

## Multimodal

- Mistral Medium: 34.6 (#82)
- Qwen3.5 27B: 38.7 (#56)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | 1172 | 1240 |

## Multilingual

- Mistral Medium: 52.3 (#86)
- Qwen3.5 27B: 51.0 (#112)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | 1408 | 1390 |
| LMArena Chinese | 1448 | 1478 |
| LMArena French | 1460 | 1409 |
| LMArena German | 1433 | 1393 |
| LMArena Japanese | 1378 | 1345 |
| LMArena Korean | 1382 | 1359 |
| LMArena Russian | 1411 | 1389 |
| LMArena Spanish | 1433 | 1408 |

## Instruction Following

- Mistral Medium: 73.9 (#111)
- Qwen3.5 27B: 73.7 (#114)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | 1398 | 1393 |

## Long Context

- Mistral Medium: 42.9 (#108)
- Qwen3.5 27B: 43.1 (#103)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | 1406 | 1413 |

## Writing & Preference

- Mistral Medium: 60.2 (#97)
- Qwen3.5 27B: 59.5 (#106)

| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Text | 1424 | 1409 |
| LMArena Creative Writing | 1391 | 1362 |
| LMArena Multi-Turn | 1418 | 1410 |
| Short-Story Creative Writing | 77.3% | — |

## FAQ

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

Qwen3.5 27B is the stronger model overall, scoring 41.4 to 36.0 on the Noometry Index.

### Which is cheaper, Mistral Medium or Qwen3.5 27B?

Qwen3.5 27B is cheaper. It lists at $0.30 per million input tokens and $2.40 per million output tokens; Mistral Medium lists at $1.50 and $7.50.

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

Qwen3.5 27B scores higher on coding benchmarks: 38.6 versus 33.8 in the Noometry coding category.

### Which has the bigger context window?

Both accept 262K tokens.

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

23 benchmarks have published results for both models. Mistral Medium has 36 scored results on Noometry and Qwen3.5 27B has 28.