Model Comparison

GPT 5.6 Sol vs GPT 6 Sol

GPT 5.6 Sol ranks #13 on the AI IQ leaderboard with an estimated IQ of 133, while GPT 6 Sol ranks #7 on the AI IQ leaderboard with an estimated IQ of 137. 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 5.6 SolOpenAIGPT 6 SolOpenAI
Rank#13#7
IQ133137
Abstract Reasoning127124
Mathematical Reasoning144148
Academic Reasoning132135
Programmatic Reasoning142149
Computer Use133140
Reliability126130
Knowledge Work129130
Emotional Reasoning119—
Effective Cost / 1M Tokens$27.47$9.84
Sticker Price / 1M I/O Tokens$35.00$12.00
Speed81 tok/s122 tok/s
Context Window1M1.1M
Released2026-07-092026-09-22
Open WeightsNoNo