Model Comparison

Fable 5.1 vs Gemini 1.5 Pro

Fable 5.1 ranks #6 on the AI IQ leaderboard with an estimated IQ of 137, while Gemini 1.5 Pro ranks #169 on the AI IQ leaderboard with an estimated IQ of 84. 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 1.5 ProGoogle
Rank#6#169
IQ13784
Abstract Reasoning12471
Mathematical Reasoning14787
Academic Reasoning13697
Programmatic Reasoning14696
Computer Use14175
Reliability13582
Knowledge Work13279
Emotional Reasoning——
Effective Cost / 1M Tokens$91.05—
Sticker Price / 1M I/O Tokens$60.00—
Speed70 tok/s—
Context Window1M—
Released2026-09-012024-02-15
Open WeightsNoNo