Model comparison

Codestral vs Qwen3.5-9B

Qwen3.5-9B is the stronger model overall, scoring 33.8 to 30.6 on the Noometry Index.

Last verified . 0 shared benchmarks.

Codestral Mistral AI

30.6

Rank #290 Reported

Qwen3.5-9B Alibaba (Qwen)

33.8

Rank #236 Confirmed

Summary

  • The widest gap is in coding, where Qwen3.5-9B leads 35.9 to 27.3.
  • Qwen3.5-9B is cheaper at $0.10 / $0.15 per million input/output tokens, against $0.30 / $0.90 for Codestral.
  • Qwen3.5-9B accepts more context: 262K tokens versus 256K.
  • Qwen3.5-9B has downloadable open weights; the other is API-only.

Side by side

Codestral and Qwen3.5-9B specifications
CodestralQwen3.5-9B
ProviderMistral AIAlibaba (Qwen)
Noometry Index30.633.8
Released2024-05-292026-02-23
WeightsProprietaryOpen
Context window256K262K
Max output8K66K
Input $ / M tokens$0.30$0.10
Output $ / M tokens$0.90$0.15
Results tracked710

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Category by category

Coding Qwen3.5-9B leads

Codestral: 27.3 (#321), Qwen3.5-9B: 35.9 (#217)

Coding benchmarks
BenchmarkCodestralQwen3.5-9B
Aider Polyglot11.1%—
SciCode—27.5%
BigCodeBench Instruct41.8%—
BigCodeBench Complete52.5%—
ALE-Bench137.78—
HumanEval+73.8%—
MBPP+61.9%—

Agentic & Tool Use Not comparable

Codestral: —, Qwen3.5-9B: 14.5 (#151)

Agentic & Tool Use benchmarks
BenchmarkCodestralQwen3.5-9B
Terminal-Bench—9.2%

Reasoning Qwen3.5-9B leads

Codestral: 19.8 (#251), Qwen3.5-9B: 23.1 (#182)

Reasoning benchmarks
BenchmarkCodestralQwen3.5-9B
Kagi LLM Benchmark32.5%—
CritPt—0.3%
Chess Puzzles—12%
DTBench—71.2%
LMCA—24.5%
Epoch Capabilities Index—139.46

Math Not comparable

Codestral: —, Qwen3.5-9B: 34.8 (#192)

Math benchmarks
BenchmarkCodestralQwen3.5-9B
MathArena Final-Answer Competitions—48.5%
OTIS Mock AIME 2024-2025—61.7%

Knowledge Not comparable

Codestral: —, Qwen3.5-9B: 46.0 (#84)

Knowledge benchmarks
BenchmarkCodestralQwen3.5-9B
GPQA Diamond—79%

Frequently asked questions

Is Codestral better than Qwen3.5-9B?

Qwen3.5-9B is the stronger model overall, scoring 33.8 to 30.6 on the Noometry Index.

Which is cheaper, Codestral or Qwen3.5-9B?

Qwen3.5-9B is cheaper. It lists at $0.10 per million input tokens and $0.15 per million output tokens; Codestral lists at $0.30 and $0.90.

Is Codestral or Qwen3.5-9B better for coding?

Qwen3.5-9B scores higher on coding benchmarks: 35.9 versus 27.3 in the Noometry coding category.

Which has the bigger context window?

Qwen3.5-9B does, with 262K tokens against 256K.

How many benchmarks do Codestral and Qwen3.5-9B share?

0 benchmarks have published results for both models. Codestral has 7 scored results on Noometry and Qwen3.5-9B has 10.

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