Claude Sonnet 4.6 (Non-reasoning, High) vs GPT-5 Codex (High)

Claude Sonnet 4.6 (Non-reasoning, High) vs GPT-5 Codex (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

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 Sonnet 4.6 (Non-reasoning, High)GPT-5 Codex (High)Difference
Intelligence (higher is better)24.724.9+0.8% GPT-5 Codex (High) is 0.8% more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)12.69s13.09s+3.2% GPT-5 Codex (High) is 3.2% slower
Price per 1M tokens (in / out)$3.00 / $15.0$1.25 / $10.0
Input modalitiesText, ImageText, Image
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-sonnet-4-6/gpt-5-codex · Markdown: /api/v1/compare/claude-sonnet-4-6/gpt-5-codex?format=md · llms.txt · agent skill