Best AI models for reasoning

14 models ranked by quality score, sorted by rank with pricing and best-value picks.

Verdict

For reasoning, use Claude Opus 4.8 for quality or Claude Sonnet 5 for cost. The quality gap between #1 and #2 is -1 points.

FAQ

What is the best AI model for reasoning?

Claude Opus 4.8 ranks #1 for reasoning with a confidence score of 97/100.

What is the cheapest good model for reasoning?

Claude Sonnet 5 offers the best value for reasoning at $2.00/$10.00 per million tokens with a confidence of 90/100.

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Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.