GPT-5 Codex (High) vs GPT-6 Astra (Xhigh)

GPT-5 Codex (High) vs GPT-6 Astra (Xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIGPT-5 Codex (High)Not ranked · benchmark data missing
Intelligence
24.90
Total cost
-
OpenAIGPT-6 Astra (Xhigh)Off the frontier
Intelligence
52.40
Total cost
$3803
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.

MetricGPT-5 Codex (High)GPT-6 Astra (Xhigh)Difference
Intelligence (higher is better)24.952.4+110.4% GPT-6 Astra (Xhigh) is 2.1× more intelligent
Total AA cost (lower is better)Not reported$3,802.98— not comparable
End-to-end time (lower is better)12.97s169.60s+1207.6% GPT-6 Astra (Xhigh) is 1207.6% slower
Price per 1M tokens (in / out)$1.25 / $10.0$10.0 / $50.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerGPT-5 Codex (High): what beats itGPT-6 Astra (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/gpt-5-codex/gpt-6-astra-xhigh · Markdown: /api/v1/compare/gpt-5-codex/gpt-6-astra-xhigh?format=md · llms.txt · agent skill