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Model Comparison

Gemini 3.5 Flash vs Gemini 4 Carbon

Gemini 3.5 Flash ranks #47 on the AI IQ leaderboard with an estimated IQ of 120, while Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Gemini 3.5 Flash profile →Gemini 4 Carbon 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 3.5 FlashGoogleGemini 4 CarbonGoogle
Rank#47#5
IQ120139
Abstract Reasoning112120
Mathematical Reasoning124145
Academic Reasoning130136
Programmatic Reasoning113153
Computer Use122155
Reliability121135
Knowledge Work123130
Emotional Reasoning95—
Effective Cost / 1M Tokens$9.07—
Sticker Price / 1M I/O Tokens$10.50—
Speed204 tok/s—
Context Window1M—
Released2026-05-182026-10-28
Open WeightsNoNo
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