Model Comparison

Gemini 4 Carbon vs Laguna Xs.2

Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139, while Laguna Xs.2 ranks #165 on the AI IQ leaderboard with an estimated IQ of 87. 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 CarbonGoogleLaguna Xs.2US (Other)
Rank#5#165
IQ13987
Abstract Reasoning12084
Mathematical Reasoning14584
Academic Reasoning136104
Programmatic Reasoning15394
Computer Use15575
Reliability13589
Knowledge Work13079
Emotional Reasoning——
Effective Cost / 1M Tokens—$0.21
Sticker Price / 1M I/O Tokens—$0.30
Speed——
Context Window—262K
Released2026-10-282026-04-28
Open WeightsNoYes