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Model Comparison

Deepseek V4 Flash vs Deepseek V4.1 Flash 1017

Deepseek V4 Flash ranks #42 on the AI IQ leaderboard with an estimated IQ of 121, while Deepseek V4.1 Flash 1017 ranks #19 on the AI IQ leaderboard with an estimated IQ of 128. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Deepseek V4 Flash profile →Deepseek V4.1 Flash 1017 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 FlashDeepSeekDeepseek V4.1 Flash 1017DeepSeek
Rank#42#19
IQ121128
Abstract Reasoning103117
Mathematical Reasoning131135
Academic Reasoning128132
Programmatic Reasoning127140
Computer Use122127
Reliability114118
Knowledge Work122129
Emotional Reasoning113—
Effective Cost / 1M Tokens$1.69$2.42
Sticker Price / 1M I/O Tokens$1.76$1.50
Speed142 tok/s169 tok/s
Context Window1M1M
Released2026-04-242026-10-17
Open WeightsYesYes
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