DeepSeek V3.1 (Reasoning) vs GPT-5 Codex (High)

DeepSeek V3.1 (Reasoning) vs GPT-5 Codex (High). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

DeepSeekDeepSeek V3.1 (Reasoning)Not ranked · benchmark data missing
Intelligence
13.50
Total cost
-
OpenAIGPT-5 Codex (High)Not ranked · benchmark data missing
Intelligence
24.90
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.

MetricDeepSeek V3.1 (Reasoning)GPT-5 Codex (High)Difference
Intelligence (higher is better)13.524.9+84.4% GPT-5 Codex (High) is 84.4% more intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)23.64s13.09s−44.6% GPT-5 Codex (High) is 44.6% faster
Price per 1M tokens (in / out)$0.58 / $1.68$1.25 / $10.0
Input modalitiesTextText, Image
Open this matchup in the interactive pickerDeepSeek V3.1 (Reasoning): what beats itGPT-5 Codex (High): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v3-1-reasoning/gpt-5-codex · Markdown: /api/v1/compare/deepseek-v3-1-reasoning/gpt-5-codex?format=md · llms.txt · agent skill