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Model Comparison

Deepseek V4.1 Flash 1017 vs Opus 5.5

Deepseek V4.1 Flash 1017 ranks #24 on the AI IQ leaderboard with an estimated IQ of 125, while Opus 5.5 ranks #2 on the AI IQ leaderboard with an estimated IQ of 141. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Deepseek V4.1 Flash 1017 profile →Opus 5.5 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 V4.1 Flash 1017DeepSeekOpus 5.5Anthropic
Rank#24#2
IQ125141
Abstract Reasoning112132
Mathematical Reasoning130149
Academic Reasoning130139
Programmatic Reasoning135155
Computer Use126147
Reliability119133
Knowledge Work125134
Emotional Reasoning——
Effective Cost / 1M Tokens$1.87$35.73
Sticker Price / 1M I/O Tokens$1.50$24.00
Speed—97 tok/s
Context Window1M1M
Released2026-10-172026-09-22
Open WeightsYesNo
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