AI IQ
Subscribe
Model Comparison

Gemini 4 Carbon vs Qwen3.5 397b

Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139, while Qwen3.5 397b ranks #87 on the AI IQ leaderboard with an estimated IQ of 109. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Gemini 4 Carbon profile →Qwen3.5 397b 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 CarbonGoogleQwen3.5 397bAlibaba
Rank#5#87
IQ139109
Abstract Reasoning12081
Mathematical Reasoning145113
Academic Reasoning136121
Programmatic Reasoning153110
Computer Use155114
Reliability135117
Knowledge Work130109
Emotional Reasoning—108
Effective Cost / 1M Tokens—$4.90
Sticker Price / 1M I/O Tokens—$4.20
Speed—58 tok/s
Context Window—262K
Released2026-10-282026-02-16
Open WeightsNoYes
More comparisons