DeepSeek V4 Flash 0420 (Max) vs GPT-5 Codex (High)

DeepSeek V4 Flash 0420 (Max) 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 V4 Flash 0420 (Max)Off the frontier
Intelligence
24.20
Total cost
$149
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 V4 Flash 0420 (Max)GPT-5 Codex (High)Difference
Intelligence (higher is better)24.224.9+2.9% GPT-5 Codex (High) is 2.9% more intelligent
Total AA cost (lower is better)$149.48Not reported— not comparable
End-to-end time (lower is better)116.79s13.09s−88.8% GPT-5 Codex (High) is 88.8% faster
Price per 1M tokens (in / out)$0.11 / $0.23$1.25 / $10.0
Input modalitiesTextText, Image
Open this matchup in the interactive pickerDeepSeek V4 Flash 0420 (Max): 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-v4-flash-0420/gpt-5-codex · Markdown: /api/v1/compare/deepseek-v4-flash-0420/gpt-5-codex?format=md · llms.txt · agent skill