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Model Comparison

Deepseek V4 Pro vs GPT 5.3 Codex

Deepseek V4 Pro ranks #31 on the AI IQ leaderboard with an estimated IQ of 123, while GPT 5.3 Codex ranks #66 on the AI IQ leaderboard with an estimated IQ of 112. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Deepseek V4 Pro profile →GPT 5.3 Codex profile →
Where They Sit on the IQ Bell Curve
Both models highlighted on the standard normal IQ distribution of every tracked model
IQ Dimensions Head to Head
The seven scored Composite IQ dimensions, side by side
Domains Head to Head
Applied domain composite scores where at least one model is measured
Deepseek V4 ProDeepSeekGPT 5.3 CodexOpenAI
Rank#31#66
IQ123112
Abstract Reasoning10984
Mathematical Reasoning132103
Academic Reasoning129129
Programmatic Reasoning128124
Computer Use120113
Reliability118115
Knowledge Work123113
Emotional Reasoning118—
Effective Cost / 1M Tokens$6.95$18.57
Sticker Price / 1M I/O Tokens$5.28$15.75
Speed92 tok/s83 tok/s
Context Window1M400K
Released2026-04-242026-02-05
Open WeightsYesNo
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