Model Comparison

Deepseek V4.1 Flash vs Fable 5.2

Deepseek V4.1 Flash ranks #28 on the AI IQ leaderboard with an estimated IQ of 125, while Fable 5.2 ranks #1 on the AI IQ leaderboard with an estimated IQ of 144. 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
Deepseek V4.1 FlashDeepSeekFable 5.2Anthropic
Rank#28#1
IQ125144
Abstract Reasoning115134
Mathematical Reasoning129148
Academic Reasoning130135
Programmatic Reasoning135154
Computer Use124157
Reliability118145
Knowledge Work125134
Emotional Reasoning——
Effective Cost / 1M Tokens$1.85$73.69
Sticker Price / 1M I/O Tokens$1.50$48.00
Speed175 tok/s—
Context Window1M1M
Released2026-09-102026-11-09
Open WeightsYesNo