Model Comparison

Fable 5.1 vs Gemini 4 Argon

Fable 5.1 ranks #4 on the AI IQ leaderboard with an estimated IQ of 138, while Gemini 4 Argon ranks #8 on the AI IQ leaderboard with an estimated IQ of 135. 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 5.1AnthropicGemini 4 ArgonGoogle
Rank#4#8
IQ138135
Abstract Reasoning124111
Mathematical Reasoning149142
Academic Reasoning137138
Programmatic Reasoning147154
Computer Use142139
Reliability136132
Knowledge Work133131
Emotional Reasoning——
Effective Cost / 1M Tokens$89.32—
Sticker Price / 1M I/O Tokens$60.00—
Speed61 tok/s—
Context Window1M—
Released2026-09-012026-09-30
Open WeightsNoNo