Model Comparison

GPT 5.4 Nano vs GPT 6.1 Sol

GPT 5.4 Nano ranks #95 on the AI IQ leaderboard with an estimated IQ of 106, 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 5.4 NanoOpenAIGPT 6.1 SolOpenAI
Rank#95#1
IQ106141
Abstract Reasoning85133
Mathematical Reasoning113150
Academic Reasoning120135
Programmatic Reasoning110153
Computer Use103148
Reliability102135
Knowledge Work109132
Emotional Reasoning——
Effective Cost / 1M Tokens$1.63$6.30
Sticker Price / 1M I/O Tokens$1.45$12.00
Speed165 tok/s73 tok/s
Context Window400K1.1M
Released2026-03-172026-09-29
Open WeightsNoNo