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Model Comparison

GPT 5.3 Codex vs Minimax M3

GPT 5.3 Codex ranks #66 on the AI IQ leaderboard with an estimated IQ of 112, while Minimax M3 ranks #61 on the AI IQ leaderboard with an estimated IQ of 114. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

GPT 5.3 Codex profile →Minimax M3 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
GPT 5.3 CodexOpenAIMinimax M3MiniMax
Rank#66#61
IQ112114
Abstract Reasoning8486
Mathematical Reasoning103120
Academic Reasoning129125
Programmatic Reasoning124118
Computer Use113115
Reliability115123
Knowledge Work113113
Emotional Reasoning—104
Effective Cost / 1M Tokens$18.57$3.40
Sticker Price / 1M I/O Tokens$15.75$1.50
Speed83 tok/s87 tok/s
Context Window400K1M
Released2026-02-052026-06-01
Open WeightsNoYes
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