Model Comparison

GPT 5.6 Sol vs Opus 5

GPT 5.6 Sol ranks #9 on the AI IQ leaderboard with an estimated IQ of 134, while Opus 5 ranks #8 on the AI IQ leaderboard with an estimated IQ of 135. 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 SolOpenAIOpus 5Anthropic
Rank#9#8
IQ134135
Abstract Reasoning127125
Mathematical Reasoning145144
Academic Reasoning132134
Programmatic Reasoning142146
Computer Use134137
Reliability126132
Knowledge Work129130
Emotional Reasoning119139
Effective Cost / 1M Tokens$27.22$44.62
Sticker Price / 1M I/O Tokens$35.00$30.00
Speed81 tok/s58 tok/s
Context Window1M1M
Released2026-07-092026-07-24
Open WeightsNoNo