AnthropicClaude Opus 5VSMistral AICodestral 22B

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Claude Opus 5 and Codestral 22B directly in their respective provider playgrounds to see which fits your specific prompt styles best.

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Model Specs

Claude Opus 5

Website

Benchmarks & Scores

Coding (swe-bench-pro)

79.2%

complex codebases, multi-file repositories, and architectural planning

Reasoning (gpqa-diamond)

93.7%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)

$10.00Input: $5.00 | Output: $25.00

Context WindowLarger

1.05M tokens

Model Specs

Codestral 22B

Open SourceAPI Available

Website 🤗HF

Benchmarks & Scores

Coding (human-eval)

81.1%

basic standalone code completion and simple functions

Reasoning (gpqa-diamond)

N/A

graduate-level science QA

Cost & Context

Cost (per 1M tokens)22.2x cheaper

$0.45Input: $0.30 | Output: $0.90

Context Window

32.77k tokens

Read our data collection methodology

Frequently Asked Questions about Claude Opus 5 vs Codestral 22B

Codestral 22B is cheaper than Claude Opus 5. Codestral 22B has a blended cost of $0.45/1M tokens, which is about 22.2x cheaper than Claude Opus 5 at $10.00/1M tokens.

For coding tasks, Claude Opus 5 scores 79.2% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning), while Codestral 22B scores 81.1% on human-eval (basic standalone code completion and simple functions).

Related Matchups

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Mistral AICodestral 22B

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