Gemini 3.8 Flash (medium) vs GPT-5.3 Codex (xhigh)

Gemini 3.8 Flash (medium) vs GPT-5.3 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.

MetricGemini 3.8 Flash (medium)GPT-5.3 Codex (xhigh)Difference
Intelligence (higher is better)40.032.5−18.8% GPT-5.3 Codex (xhigh) is 18.8% less intelligent
Total AA cost (lower is better)$1,100.06Not reported— not comparable
End-to-end time (lower is better)10.32s69.02s+568.8% GPT-5.3 Codex (xhigh) is 568.8% slower
Price per 1M tokens (in / out)$0.75 / $3.75$1.75 / $14.0
Input modalitiesNot reportedNot reported
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-3-8-flash-medium/gpt-5-3-codex · Markdown: /api/v1/compare/gemini-3-8-flash-medium/gpt-5-3-codex?format=md · llms.txt · agent skill