Model Comparison

Fable 5.2 vs Gemini 4 Hydrogen

Fable 5.2 ranks #1 on the AI IQ leaderboard with an estimated IQ of 144, while Gemini 4 Hydrogen ranks #16 on the AI IQ leaderboard with an estimated IQ of 131. 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 HydrogenGoogle
Rank#1#16
IQ144131
Abstract Reasoning134126
Mathematical Reasoning148127
Academic Reasoning135132
Programmatic Reasoning154143
Computer Use157124
Reliability145130
Knowledge Work134133
Emotional Reasoning——
Effective Cost / 1M Tokens$73.69$15.92
Sticker Price / 1M I/O Tokens$48.00$9.00
Speed——
Context Window1M—
Released2026-11-092026-11-12
Open WeightsNoNo