Model Comparison

Nanbeige 4.3 33b vs Opus 5.5

Nanbeige 4.3 33b does not yet have a derived IQ, while Opus 5.5 ranks #4 on the AI IQ leaderboard with an estimated IQ of 140. 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
Nanbeige 4.3 33bChina (Other)Opus 5.5Anthropic
Rank—#4
IQ—140
Abstract Reasoning99132
Mathematical Reasoning—148
Academic Reasoning100138
Programmatic Reasoning—154
Computer Use—143
Reliability—132
Knowledge Work—134
Emotional Reasoning——
Effective Cost / 1M Tokens—$35.97
Sticker Price / 1M I/O Tokens—$24.00
Speed—98 tok/s
Context Window524K1M
Released2026-10-252026-09-22
Open WeightsYesNo