GPT-5.1 Codex (High) vs Nova 2.0 Pro Preview (Medium)

GPT-5.1 Codex (High) vs Nova 2.0 Pro Preview (Medium). 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.

MetricGPT-5.1 Codex (High)Nova 2.0 Pro Preview (Medium)Difference
Intelligence (higher is better)23.714.2−40.1% Nova 2.0 Pro Preview … is 40.1% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)12.02s31.49s+162.0% Nova 2.0 Pro Preview … is 162.0% slower
Price per 1M tokens (in / out)$1.25 / $10.0$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/gpt-5-1-codex/nova-2-0-pro-reasoning-medium · Markdown: /api/v1/compare/gpt-5-1-codex/nova-2-0-pro-reasoning-medium?format=md · llms.txt · agent skill