Model Comparison

Gemini 4 Carbon vs Qwen3.5 4b

Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139, while Qwen3.5 4b ranks #162 on the AI IQ leaderboard with an estimated IQ of 90. 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 CarbonGoogleQwen3.5 4bAlibaba
Rank#5#162
IQ13990
Abstract Reasoning12077
Mathematical Reasoning145103
Academic Reasoning136103
Programmatic Reasoning15388
Computer Use15575
Reliability135101
Knowledge Work13079
Emotional Reasoning——
Effective Cost / 1M Tokens—$0.08
Sticker Price / 1M I/O Tokens—$0.18
Speed—17 tok/s
Context Window—262K
Released2026-10-282026-03-02
Open WeightsNoYes