Model Comparison

Fable 5.1 vs K Exaone 2.0

Fable 5.1 ranks #4 on the AI IQ leaderboard with an estimated IQ of 138, while K Exaone 2.0 ranks #121 on the AI IQ leaderboard with an estimated IQ of 99. 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 5.1AnthropicK Exaone 2.0World (Other)
Rank#4#121
IQ13899
Abstract Reasoning12488
Mathematical Reasoning14996
Academic Reasoning137115
Programmatic Reasoning14791
Computer Use142101
Reliability136109
Knowledge Work13394
Emotional Reasoning——
Effective Cost / 1M Tokens$89.32—
Sticker Price / 1M I/O Tokens$60.00—
Speed61 tok/s—
Context Window1M262K
Released2026-09-012026-07-31
Open WeightsNoYes