Model Comparison

Fable 5 vs Gemini 4 Carbon

Fable 5 ranks #12 on the AI IQ leaderboard with an estimated IQ of 133, while Gemini 4 Carbon 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 5AnthropicGemini 4 CarbonGoogle
Rank#12#5
IQ133139
Abstract Reasoning122120
Mathematical Reasoning143145
Academic Reasoning134136
Programmatic Reasoning141153
Computer Use134155
Reliability129135
Knowledge Work129130
Emotional Reasoning128—
Effective Cost / 1M Tokens$87.20—
Sticker Price / 1M I/O Tokens$60.00—
Speed69 tok/s—
Context Window1M—
Released2026-06-092026-10-28
Open WeightsNoNo