Model Comparison

Fable 5.2 vs Inkling 2 Small

Fable 5.2 ranks #1 on the AI IQ leaderboard with an estimated IQ of 144, while Inkling 2 Small ranks #27 on the AI IQ leaderboard with an estimated IQ of 126. 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 5.2AnthropicInkling 2 SmallUS (Other)
Rank#1#27
IQ144126
Abstract Reasoning134123
Mathematical Reasoning148128
Academic Reasoning135128
Programmatic Reasoning154135
Computer Use157128
Reliability145112
Knowledge Work134128
Emotional Reasoning——
Effective Cost / 1M Tokens$73.69$1.25
Sticker Price / 1M I/O Tokens$48.00$1.30
Speed——
Context Window1M—
Released2026-11-092026-11-05
Open WeightsNoNo