# Mistral Medium 3.5 vs Qwen3.5-Flash

> Qwen3.5-Flash is the stronger model overall, scoring 42.3 to 39.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-medium-3-5-vs-qwen3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Mistral Medium 3.5 scores higher in 6 categories and Qwen3.5-Flash in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5-Flash leads 32.9 to 16.6.
- Qwen3.5-Flash is cheaper at $0.10 / $0.40 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.
- Qwen3.5-Flash accepts more context: 1M tokens versus 262K.
- Mistral Medium 3.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 39.6 | 42.3 |
| Rank | 151 | 105 |
| Context | 262K | 1M |
| Input $/M | $1.50 | $0.10 |
| Output $/M | $7.50 | $0.40 |
| Weights | Open | Proprietary |

## Coding

- Mistral Medium 3.5: 35.7 (#208)
- Qwen3.5-Flash: 33.9 (#234)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena WebDev | 1263 | 1243 |
| LMArena Coding | 1461 | 1412 |
| ALE-Bench | — | 221.8 |

## Agentic & Tool Use

- Mistral Medium 3.5: —
- Qwen3.5-Flash: —

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| Vending-Bench 2 | — | 462.69 |

## Reasoning

- Mistral Medium 3.5: 16.6 (#290)
- Qwen3.5-Flash: 32.9 (#63)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1404 |
| Epoch Capabilities Index | 141.42 | 143.98 |
| Kagi LLM Benchmark | 41.4% | — |
| NYT Connections (extended) | 12.9% | — |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 82.9% |
| LMCA | — | 29.1% |

## Math

- Mistral Medium 3.5: 36.4 (#113)
- Qwen3.5-Flash: 36.3 (#117)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Math | 1432 | 1407 |
| FrontierMath (Tiers 1-3) | — | 18.2% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| FrontierMath (Feb 2025 set) | — | 6.2% |
| FrontierMath Tier 4 (v1) | — | 0% |

## Knowledge

- Mistral Medium 3.5: 39.3 (#123)
- Qwen3.5-Flash: 43.2 (#84)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Expert | 1431 | 1408 |
| GPQA Diamond | — | 82.3% |
| SimpleQA Verified | — | 20.3% |
| Vectara Hallucination Rate | — | 10.5% |

## Multimodal

- Mistral Medium 3.5: 37.6 (#64)
- Qwen3.5-Flash: —

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Vision | 1222 | — |

## Multilingual

- Mistral Medium 3.5: 52.1 (#93)
- Qwen3.5-Flash: 50.7 (#116)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1405 | 1385 |
| LMArena Chinese | 1443 | 1446 |
| LMArena French | 1448 | 1412 |
| LMArena German | 1453 | 1389 |
| LMArena Korean | 1387 | 1344 |
| LMArena Russian | 1396 | 1379 |
| LMArena Spanish | 1406 | 1399 |
| LMArena Japanese | — | 1369 |

## Instruction Following

- Mistral Medium 3.5: 74.7 (#87)
- Qwen3.5-Flash: 72.8 (#133)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1414 | 1374 |

## Long Context

- Mistral Medium 3.5: 43.2 (#101)
- Qwen3.5-Flash: 42.4 (#119)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1414 | 1392 |

## Writing & Preference

- Mistral Medium 3.5: 58.6 (#113)
- Qwen3.5-Flash: 58.2 (#117)

| Benchmark | Mistral Medium 3.5 | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1421 | 1397 |
| LMArena Creative Writing | 1372 | 1343 |
| LMArena Multi-Turn | 1423 | 1393 |
| EQ-Bench 4 | 993 | — |

## FAQ

### Is Mistral Medium 3.5 better than Qwen3.5-Flash?

Qwen3.5-Flash is the stronger model overall, scoring 42.3 to 39.6 on the Noometry Index.

### Which is cheaper, Mistral Medium 3.5 or Qwen3.5-Flash?

Qwen3.5-Flash is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; Mistral Medium 3.5 lists at $1.50 and $7.50.

### Is Mistral Medium 3.5 or Qwen3.5-Flash better for coding?

Mistral Medium 3.5 scores higher on coding benchmarks: 35.7 versus 33.9 in the Noometry coding category.

### Which has the bigger context window?

Qwen3.5-Flash does, with 1M tokens against 262K.

### How many benchmarks do Mistral Medium 3.5 and Qwen3.5-Flash share?

18 benchmarks have published results for both models. Mistral Medium 3.5 has 22 scored results on Noometry and Qwen3.5-Flash has 32.