Model Comparison

GPT 5 vs GPT 6.1 Sol

GPT 5 ranks #73 on the AI IQ leaderboard with an estimated IQ of 111, while GPT 6.1 Sol ranks #1 on the AI IQ leaderboard with an estimated IQ of 141. 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 5OpenAIGPT 6.1 SolOpenAI
Rank#73#1
IQ111141
Abstract Reasoning91133
Mathematical Reasoning116150
Academic Reasoning121135
Programmatic Reasoning117153
Computer Use104148
Reliability114135
Knowledge Work112132
Emotional Reasoning——
Effective Cost / 1M Tokens$14.22$6.30
Sticker Price / 1M I/O Tokens$11.25$12.00
Speed116 tok/s73 tok/s
Context Window—1.1M
Released2025-08-072026-09-29
Open WeightsNoNo