Model Comparison

Beam vs Fable 5.1

Beam does not yet have a derived IQ, while Fable 5.1 ranks #4 on the AI IQ leaderboard with an estimated IQ of 138. 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
BeamUS (Other)Fable 5.1Anthropic
Rank—#4
IQ—138
Abstract Reasoning99124
Mathematical Reasoning—149
Academic Reasoning100137
Programmatic Reasoning—147
Computer Use—142
Reliability—136
Knowledge Work—133
Emotional Reasoning——
Effective Cost / 1M Tokens—$88.21
Sticker Price / 1M I/O Tokens—$60.00
Speed—65 tok/s
Context Window262K1M
Released2026-10-052026-09-01
Open WeightsNoNo