Model Comparison

Gemini 4 Carbon vs Gemini 4 Hydrogen

Gemini 4 Carbon ranks #2 on the AI IQ leaderboard with an estimated IQ of 142, while Gemini 4 Hydrogen ranks #16 on the AI IQ leaderboard with an estimated IQ of 131. 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
Gemini 4 CarbonGoogleGemini 4 HydrogenGoogle
Rank#2#16
IQ142131
Abstract Reasoning134126
Mathematical Reasoning147127
Academic Reasoning136132
Programmatic Reasoning150143
Computer Use154124
Reliability139130
Knowledge Work134133
Emotional Reasoning——
Effective Cost / 1M Tokens—$15.92
Sticker Price / 1M I/O Tokens—$9.00
Speed——
Context Window——
Released2026-10-282026-11-12
Open WeightsNoNo