Claude Opus 4.5 (Reasoning) vs Mistral Small 3.1

Claude Opus 4.5 (Reasoning) vs Mistral Small 3.1. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Opus 4.5 (Reasoning)Not ranked · benchmark data missing
Intelligence
29.10
Total cost
-
MistralMistral Small 3.1Off the frontier
Intelligence
7.10
Total cost
$27.8
Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

MetricClaude Opus 4.5 (Reasoning)Mistral Small 3.1Difference
Intelligence (higher is better)29.17.1−75.6% Mistral Small 3.1 is 75.6% less intelligent
Total AA cost (lower is better)Not reported$27.82— not comparable
End-to-end time (lower is better)23.23s11.25s−51.6% Mistral Small 3.1 is 51.6% faster
Price per 1M tokens (in / out)$5.00 / $25.0$0.08 / $0.14
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Opus 4.5 (Reasoning): what beats itMistral Small 3.1: what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-4-5-thinking/mistral-small-3-1 · Markdown: /api/v1/compare/claude-opus-4-5-thinking/mistral-small-3-1?format=md · llms.txt · agent skill