Model Comparison

Fable 5.2 vs Gemini 4 Argon

Fable 5.2 ranks #1 on the AI IQ leaderboard with an estimated IQ of 144, while Gemini 4 Argon ranks #5 on the AI IQ leaderboard with an estimated IQ of 139. 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
Fable 5.2AnthropicGemini 4 ArgonGoogle
Rank#1#5
IQ144139
Abstract Reasoning134132
Mathematical Reasoning148143
Academic Reasoning135136
Programmatic Reasoning154152
Computer Use157144
Reliability145135
Knowledge Work134131
Emotional Reasoning——
Effective Cost / 1M Tokens$73.69—
Sticker Price / 1M I/O Tokens$48.00—
Speed—80 tok/s
Context Window1M—
Released2026-11-092026-09-30
Open WeightsNoNo