# Mistral Medium 3.5 vs Qwen3.5 Plus

> Qwen3.5 Plus 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-plus
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Mistral Medium 3.5 scores higher in 1 category and Qwen3.5 Plus in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 Plus leads 32.0 to 16.6.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.
- Qwen3.5 Plus 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 Plus |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 39.6 | 42.3 |
| Rank | 151 | 103 |
| Context | 262K | 1M |
| Input $/M | $1.50 | $0.40 |
| Output $/M | $7.50 | $2.40 |
| Weights | Open | Proprietary |

## Coding

- Mistral Medium 3.5: 35.7 (#208)
- Qwen3.5 Plus: —

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| LMArena WebDev | 1263 | — |
| LMArena Coding | 1461 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

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

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

- Mistral Medium 3.5: 16.6 (#290)
- Qwen3.5 Plus: 32.0 (#67)

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| Epoch Capabilities Index | 141.42 | 146.79 |
| Kagi LLM Benchmark | 41.4% | — |
| NYT Connections (extended) | 12.9% | — |
| Chess Puzzles | — | 22% |
| LMArena Hard Prompts | 1436 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |

## Math

- Mistral Medium 3.5: 36.4 (#113)
- Qwen3.5 Plus: 47.9 (#55)

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| LMArena Math | 1432 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Mistral Medium 3.5: 39.3 (#123)
- Qwen3.5 Plus: 46.0 (#78)

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | — | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1431 | — |

## Multimodal

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

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

## Multilingual

- Mistral Medium 3.5: 52.1 (#93)
- Qwen3.5 Plus: —

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1405 | — |
| LMArena Chinese | 1443 | — |
| LMArena French | 1448 | — |
| LMArena German | 1453 | — |
| LMArena Korean | 1387 | — |
| LMArena Russian | 1396 | — |
| LMArena Spanish | 1406 | — |

## Instruction Following

- Mistral Medium 3.5: 74.7 (#87)
- Qwen3.5 Plus: —

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1414 | — |

## Long Context

- Mistral Medium 3.5: 43.2 (#101)
- Qwen3.5 Plus: 42.9 (#109)

| Benchmark | Mistral Medium 3.5 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1414 | — |

## Writing & Preference

- Mistral Medium 3.5: 58.6 (#113)
- Qwen3.5 Plus: —

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

## FAQ

### Is Mistral Medium 3.5 better than Qwen3.5 Plus?

Qwen3.5 Plus 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 Plus?

Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; Mistral Medium 3.5 lists at $1.50 and $7.50.

### Which has the bigger context window?

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

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

1 benchmark has published results for both models. Mistral Medium 3.5 has 22 scored results on Noometry and Qwen3.5 Plus has 15.