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Model Comparison

Deepseek V4 Pro vs Deepseek V4.1 Flash

Deepseek V4 Pro ranks #31 on the AI IQ leaderboard with an estimated IQ of 123, while Deepseek V4.1 Flash ranks #21 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.

Deepseek V4 Pro profile →Deepseek V4.1 Flash profile →
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 ProDeepSeekDeepseek V4.1 FlashDeepSeek
Rank#31#21
IQ123126
Abstract Reasoning109115
Mathematical Reasoning132131
Academic Reasoning129130
Programmatic Reasoning128135
Computer Use120127
Reliability118118
Knowledge Work123125
Emotional Reasoning118—
Effective Cost / 1M Tokens$6.95$1.85
Sticker Price / 1M I/O Tokens$5.28$1.50
Speed92 tok/s209 tok/s
Context Window1M1M
Released2026-04-242026-09-10
Open WeightsYesYes
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