Model Comparison

GPT 5.5 vs Grok 4.7

GPT 5.5 ranks #15 on the AI IQ leaderboard with an estimated IQ of 129, while Grok 4.7 ranks #20 on the AI IQ leaderboard with an estimated IQ of 127. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

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 5.5OpenAIGrok 4.7xAI
Rank#15#20
IQ129127
Abstract Reasoning120107
Mathematical Reasoning141125
Academic Reasoning132134
Programmatic Reasoning130140
Computer Use129127
Reliability125127
Knowledge Work125131
Emotional Reasoning122—
Effective Cost / 1M Tokens$23.01$21.87
Sticker Price / 1M I/O Tokens$35.00$8.00
Speed100 tok/s92 tok/s
Context Window922K500K
Released2026-04-232026-09-21
Open WeightsNoNo