Model Comparison

GPT 5.1 vs GPT 6 Astra

GPT 5.1 ranks #70 on the AI IQ leaderboard with an estimated IQ of 111, while GPT 6 Astra ranks #4 on the AI IQ leaderboard with an estimated IQ of 140. 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 5.1OpenAIGPT 6 AstraOpenAI
Rank#70#4
IQ111140
Abstract Reasoning91136
Mathematical Reasoning114149
Academic Reasoning123134
Programmatic Reasoning119151
Computer Use108140
Reliability113136
Knowledge Work112133
Emotional Reasoning116—
Effective Cost / 1M Tokens$14.19$34.14
Sticker Price / 1M I/O Tokens$11.25$60.00
Speed124 tok/s69 tok/s
Context Window—1.1M
Released2025-11-132026-09-03
Open WeightsNoNo