Model comparison

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.

Last verified . 1 shared benchmarks.

Mistral Medium 3.5 Mistral AI

39.6

Rank #151 Confirmed

Qwen3.5 Plus Alibaba (Qwen)

42.3

Rank #103 Confirmed

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.

Side by side

Mistral Medium 3.5 and Qwen3.5 Plus specifications
Mistral Medium 3.5Qwen3.5 Plus
ProviderMistral AIAlibaba (Qwen)
Noometry Index39.642.3
Released—2026-02-16
WeightsOpenProprietary
Context window262K1M
Max output210K66K
Input $ / M tokens$1.50$0.40
Output $ / M tokens$7.50$2.40
Results tracked2215

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Category by category

Coding Not comparable

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

Coding benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
LMArena WebDev1263—
LMArena Coding1461—
ALE-Bench—621.92

Agentic & Tool Use Not comparable

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

Agentic & Tool Use benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
Vending-Bench 2—0.54

Reasoning Qwen3.5 Plus leads

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

Reasoning benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
Epoch Capabilities Index141.42146.79
Kagi LLM Benchmark41.4%—
NYT Connections (extended)12.9%—
Chess Puzzles—22%
LMArena Hard Prompts1436—
Mystery Game Puzzles—17%
DTBench—80.5%
LMCA—36.4%

Math Qwen3.5 Plus leads

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

Math benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
OTIS Mock AIME 2024-2025—86.7%
LMArena Math1432—
FrontierMath (Feb 2025 set)—21%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Qwen3.5 Plus leads

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

Knowledge benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
GPQA Diamond—84.8%
SimpleQA Verified—25.4%
Vectara Hallucination Rate—10.7%
LMArena Expert1431—

Multimodal Not comparable

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

Multimodal benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
LMArena Vision1222—

Multilingual Not comparable

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

Multilingual benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
LMArena Non-English1405—
LMArena Chinese1443—
LMArena French1448—
LMArena German1453—
LMArena Korean1387—
LMArena Russian1396—
LMArena Spanish1406—

Instruction Following Not comparable

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

Instruction Following benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
LMArena Instruction Following1414—

Long Context Too close to call

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

Long Context benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1414—

Writing & Preference Not comparable

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

Writing & Preference benchmarks
BenchmarkMistral Medium 3.5Qwen3.5 Plus
LMArena Text1421—
LMArena Creative Writing1372—
EQ-Bench 4993—
LMArena Multi-Turn1423—

Frequently asked questions

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.

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