Model comparison
Mistral Medium 3.1 vs Qwen3.5 27B
Qwen3.5 27B is the stronger model overall, scoring 41.9 to 31.9 on the Noometry Index.
Last verified . 2 shared benchmarks.
Mistral AI
Alibaba (Qwen)Summary
- They share 2 benchmarks with published results for both. Mistral Medium 3.1 scores higher in 0 categories and Qwen3.5 27B in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5 27B leads 27.5 to 10.6.
- The biggest single-benchmark swing is NYT Connections (extended): 6.5% for Mistral Medium 3.1 and 47.9% for Qwen3.5 27B.
- Both cost about the same: $0.40 input and $2 output per million tokens.
- Qwen3.5 27B accepts more context: 262K tokens versus 131K.
- Qwen3.5 27B has downloadable open weights; the other is API-only.
Side by side
| Mistral Medium 3.1 | Qwen3.5 27B | |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 31.9 | 41.9 |
| Released | — | 2026-02-23 |
| Weights | Proprietary | Open |
| Context window | 131K | 262K |
| Max output | 105K | 66K |
| Input $ / M tokens | $0.40 | $0.30 |
| Output $ / M tokens | $2 | $2.40 |
| Results tracked | 3 | 28 |
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Category by category
Coding Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: 38.9 (#168)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| LMArena WebDev | — | 1358 |
| WeirdML | — | 39.5% |
| LMArena Coding | — | 1427 |
| ALE-Bench | — | 349.45 |
Agentic & Tool Use Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: —
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| Vending-Bench 2 | — | 201.98 |
Reasoning Qwen3.5 27B leads
Mistral Medium 3.1: 10.6 (#341), Qwen3.5 27B: 27.5 (#117)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| NYT Connections (extended) | 6.5% | 47.9% |
| Thematic Generalization | 20.3% | 45.5% |
| LMArena Hard Prompts | — | 1414 |
| DTBench | — | 82.4% |
| LMCA | — | 34% |
Math Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: 38.8 (#127)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 56.7% |
| LMArena Math | — | 1429 |
Knowledge Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: 38.0 (#150)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| Vectara Hallucination Rate | — | 12.1% |
| LMArena Expert | — | 1428 |
Multimodal Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: 39.4 (#59)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | — | 1241 |
Multilingual Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: 50.8 (#115)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | — | 1390 |
| LMArena Chinese | — | 1478 |
| LMArena French | — | 1410 |
| LMArena German | — | 1393 |
| LMArena Japanese | — | 1345 |
| LMArena Korean | — | 1358 |
| LMArena Russian | — | 1390 |
| LMArena Spanish | — | 1407 |
Instruction Following Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: 73.5 (#119)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | — | 1393 |
Long Context Not comparable
Mistral Medium 3.1: —, Qwen3.5 27B: 43.1 (#106)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | — | 1413 |
Writing & Preference Qwen3.5 27B leads
Mistral Medium 3.1: 55.5 (#145), Qwen3.5 27B: 59.3 (#111)
| Benchmark | Mistral Medium 3.1 | Qwen3.5 27B |
|---|---|---|
| LMArena Text | — | 1409 |
| LMArena Creative Writing | — | 1362 |
| EQ-Bench Creative Writing | 1476 | — |
| LMArena Multi-Turn | — | 1410 |
Frequently asked questions
Is Mistral Medium 3.1 better than Qwen3.5 27B?
Qwen3.5 27B is the stronger model overall, scoring 41.9 to 31.9 on the Noometry Index.
Which is cheaper, Mistral Medium 3.1 or Qwen3.5 27B?
Mistral Medium 3.1 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; Qwen3.5 27B lists at $0.30 and $2.40.
Which has the bigger context window?
Qwen3.5 27B does, with 262K tokens against 131K.
How many benchmarks do Mistral Medium 3.1 and Qwen3.5 27B share?
2 benchmarks have published results for both models. Mistral Medium 3.1 has 3 scored results on Noometry and Qwen3.5 27B has 28.