Model Comparison

GPT 6 Astra vs Sonnet 5

GPT 6 Astra ranks #4 on the AI IQ leaderboard with an estimated IQ of 140, while Sonnet 5 ranks #27 on the AI IQ leaderboard with an estimated IQ of 125. 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 6 AstraOpenAISonnet 5Anthropic
Rank#4#27
IQ140125
Abstract Reasoning136105
Mathematical Reasoning149131
Academic Reasoning134129
Programmatic Reasoning151131
Computer Use140129
Reliability136123
Knowledge Work133124
Emotional Reasoning—117
Effective Cost / 1M Tokens$34.14$38.51
Sticker Price / 1M I/O Tokens$60.00$12.00
Speed69 tok/s82 tok/s
Context Window1.1M1M
Released2026-09-032026-06-30
Open WeightsNoNo