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Model Comparison

Gemini 4 Hydrogen vs GPT 5.6 Terra

Gemini 4 Hydrogen ranks #16 on the AI IQ leaderboard with an estimated IQ of 131, while GPT 5.6 Terra ranks #17 on the AI IQ leaderboard with an estimated IQ of 130. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Gemini 4 Hydrogen profile →GPT 5.6 Terra profile →
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
Gemini 4 HydrogenGoogleGPT 5.6 TerraOpenAI
Rank#16#17
IQ131130
Abstract Reasoning126119
Mathematical Reasoning127141
Academic Reasoning132129
Programmatic Reasoning143145
Computer Use124128
Reliability130118
Knowledge Work133128
Emotional Reasoning—117
Effective Cost / 1M Tokens$15.92$13.78
Sticker Price / 1M I/O Tokens$9.00$14.00
Speed—135 tok/s
Context Window—1M
Released2026-11-122026-07-09
Open WeightsNoNo
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