Model Comparison

Gemini 4 Carbon vs Nemotron 3.5 Lightning

Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139, while Nemotron 3.5 Lightning ranks #128 on the AI IQ leaderboard with an estimated IQ of 100. 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 CarbonGoogleNemotron 3.5 LightningUS (Other)
Rank#5#128
IQ139100
Abstract Reasoning12084
Mathematical Reasoning145112
Academic Reasoning136105
Programmatic Reasoning15394
Computer Use15597
Reliability135104
Knowledge Work130102
Emotional Reasoning——
Effective Cost / 1M Tokens—$0.27
Sticker Price / 1M I/O Tokens—$0.29
Speed—308 tok/s
Context Window—1M
Released2026-10-282026-08-11
Open WeightsNoYes