Model Comparison

Fable 5.2 vs Ling 3.1 Flash

Fable 5.2 ranks #1 on the AI IQ leaderboard with an estimated IQ of 144, while Ling 3.1 Flash ranks #51 on the AI IQ leaderboard with an estimated IQ of 120. 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 5.2AnthropicLing 3.1 FlashChina (Other)
Rank#1#51
IQ144120
Abstract Reasoning134102
Mathematical Reasoning148110
Academic Reasoning135131
Programmatic Reasoning154140
Computer Use157113
Reliability145118
Knowledge Work134124
Emotional Reasoning——
Effective Cost / 1M Tokens$73.69—
Sticker Price / 1M I/O Tokens$48.00—
Speed—214 tok/s
Context Window1M1M
Released2026-11-092026-09-30
Open WeightsNoYes