Claude Haiku 5.5 (Medium) vs GPT-5.2 Codex (Xhigh)

Claude Haiku 5.5 (Medium) vs GPT-5.2 Codex (Xhigh). 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 Haiku 5.5 (Medium)GPT-5.2 Codex (Xhigh)Difference
Intelligence (higher is better)34.528.5−17.4% GPT-5.2 Codex (Xhigh) is 17.4% less intelligent
Total AA cost (lower is better)$56.36Not reported— not comparable
End-to-end time (lower is better)10.90s147.98s+1257.6% GPT-5.2 Codex (Xhigh) is 1257.6% slower
Price per 1M tokens (in / out)$0.10 / $0.50$1.75 / $14.0
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-haiku-5-5-medium/gpt-5-2-codex · Markdown: /api/v1/compare/claude-haiku-5-5-medium/gpt-5-2-codex?format=md · llms.txt · agent skill