Claude Sonnet 5 (Medium) vs GPT-5.2 (Xhigh)

Claude Sonnet 5 (Medium) vs GPT-5.2 (Xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Sonnet 5 (Medium)Off the frontier
Intelligence
28.10
Total cost
$1218
OpenAIGPT-5.2 (Xhigh)Not ranked · benchmark data missing
Intelligence
30.40
Total cost
-
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 5 (Medium)GPT-5.2 (Xhigh)Difference
Intelligence (higher is better)28.130.4+8.2% GPT-5.2 (Xhigh) is 8.2% more intelligent
Total AA cost (lower is better)$1,218.17Not reported— not comparable
End-to-end time (lower is better)8.58s94.34s+999.5% GPT-5.2 (Xhigh) is 999.5% slower
Price per 1M tokens (in / out)$2.00 / $10.0$1.75 / $14.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Sonnet 5 (Medium): what beats itGPT-5.2 (Xhigh): 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-sonnet-5-medium/gpt-5-2 · Markdown: /api/v1/compare/claude-sonnet-5-medium/gpt-5-2?format=md · llms.txt · agent skill