DeepSeek V4 Pro 0813 (Reasoning, Max Effort) vs GPT-5.3 Codex (xhigh)

DeepSeek V4 Pro 0813 (Reasoning, Max Effort) 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.

MetricDeepSeek V4 Pro 0813 (Reasoning, Max Effort)GPT-5.3 Codex (xhigh)Difference
Intelligence (higher is better)36.332.5−10.5% GPT-5.3 Codex (xhigh) is 10.5% less intelligent
Total AA cost (lower is better)$1,122.27Not reported— not comparable
End-to-end time (lower is better)32.92s69.02s+109.7% GPT-5.3 Codex (xhigh) is 109.7% slower
Price per 1M tokens (in / out)$1.32 / $3.96$1.75 / $14.0
Input modalitiesNot reportedNot reported
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v4-pro/gpt-5-3-codex · Markdown: /api/v1/compare/deepseek-v4-pro/gpt-5-3-codex?format=md · llms.txt · agent skill