Model Comparison

Gemini 4 Carbon vs Longcat 2.0

Gemini 4 Carbon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139, while Longcat 2.0 ranks #122 on the AI IQ leaderboard with an estimated IQ of 101. 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 CarbonGoogleLongcat 2.0China (Other)
Rank#5#122
IQ139101
Abstract Reasoning12085
Mathematical Reasoning14594
Academic Reasoning136118
Programmatic Reasoning15399
Computer Use15598
Reliability135107
Knowledge Work130108
Emotional Reasoning——
Effective Cost / 1M Tokens—$2.19
Sticker Price / 1M I/O Tokens—$3.70
Speed—71 tok/s
Context Window—1M
Released2026-10-282026-06-29
Open WeightsNoYes