Model comparison
Mistral Medium vs Qwen3.5 27B
Qwen3.5 27B is the stronger model overall, scoring 41.9 to 36.3 on the Noometry Index.
Last verified . 23 shared benchmarks.
Mistral AI
Alibaba (Qwen)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 38.0 to 25.0.
- 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.
Side by side
| Mistral Medium | Qwen3.5 27B | |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 36.3 | 41.9 |
| Released | 2023-12-11 | 2026-02-23 |
| Weights | Open | Open |
| Context window | 262K | 262K |
| Max output | 262K | 66K |
| Input $ / M tokens | $1.50 | $0.30 |
| Output $ / M tokens | $7.50 | $2.40 |
| Results tracked | 36 | 28 |
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Category by category
Coding Qwen3.5 27B leads
Mistral Medium: 34.2 (#243), Qwen3.5 27B: 38.9 (#168)
| 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 | — | 1358 |
| SciCode | 40.2% | — |
Agentic & Tool Use Not comparable
Mistral Medium: 28.3 (#90), Qwen3.5 27B: —
| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 37.7% | — |
| Vending-Bench 2 | — | 201.98 |
Reasoning Qwen3.5 27B leads
Mistral Medium: 24.0 (#167), Qwen3.5 27B: 27.5 (#117)
| 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 Qwen3.5 27B leads
Mistral Medium: 28.1 (#245), Qwen3.5 27B: 38.8 (#127)
| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Math | 1408 | 1429 |
| 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 Qwen3.5 27B leads
Mistral Medium: 25.0 (#265), Qwen3.5 27B: 38.0 (#150)
| 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 Qwen3.5 27B leads
Mistral Medium: 35.3 (#88), Qwen3.5 27B: 39.4 (#59)
| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | 1172 | 1241 |
Multilingual Mistral Medium leads
Mistral Medium: 52.1 (#91), Qwen3.5 27B: 50.8 (#115)
| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | 1408 | 1390 |
| LMArena Chinese | 1447 | 1478 |
| LMArena French | 1459 | 1410 |
| LMArena German | 1432 | 1393 |
| LMArena Japanese | 1378 | 1345 |
| LMArena Korean | 1380 | 1358 |
| LMArena Russian | 1411 | 1390 |
| LMArena Spanish | 1433 | 1407 |
Instruction Following Too close to call
Mistral Medium: 73.7 (#116), Qwen3.5 27B: 73.5 (#119)
| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | 1398 | 1393 |
Long Context Too close to call
Mistral Medium: 42.9 (#114), Qwen3.5 27B: 43.1 (#106)
| Benchmark | Mistral Medium | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | 1406 | 1413 |
Writing & Preference Too close to call
Mistral Medium: 60.0 (#103), Qwen3.5 27B: 59.3 (#111)
| 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% | — |
Frequently asked questions
Is Mistral Medium better than Qwen3.5 27B?
Qwen3.5 27B is the stronger model overall, scoring 41.9 to 36.3 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: 38.9 versus 34.2 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.