Model Comparison

Gemini 4 Carbon vs GPT 5.6 Sol

Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139, while GPT 5.6 Sol ranks #13 on the AI IQ leaderboard with an estimated IQ of 133. 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
Gemini 4 CarbonGoogleGPT 5.6 SolOpenAI
Rank#5#13
IQ139133
Abstract Reasoning120127
Mathematical Reasoning145144
Academic Reasoning136132
Programmatic Reasoning153142
Computer Use155133
Reliability135126
Knowledge Work130129
Emotional Reasoning—119
Effective Cost / 1M Tokens—$27.47
Sticker Price / 1M I/O Tokens—$35.00
Speed—81 tok/s
Context Window—1M
Released2026-10-282026-07-09
Open WeightsNoNo