Model Comparison

Gemini 4 Carbon vs GPT 5 Nano

Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139, while GPT 5 Nano ranks #146 on the AI IQ leaderboard with an estimated IQ of 95. 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
Gemini 4 CarbonGoogleGPT 5 NanoOpenAI
Rank#5#146
IQ13995
Abstract Reasoning12083
Mathematical Reasoning145103
Academic Reasoning136106
Programmatic Reasoning153109
Computer Use15575
Reliability13598
Knowledge Work13090
Emotional Reasoning——
Effective Cost / 1M Tokens—$0.27
Sticker Price / 1M I/O Tokens—$0.45
Speed—160 tok/s
Context Window——
Released2026-10-282025-08-07
Open WeightsNoNo