Model Comparison

Opus 5.5 vs Qwen3.8 Max 0902

Opus 5.5 ranks #2 on the AI IQ leaderboard with an estimated IQ of 141, while Qwen3.8 Max 0902 ranks #24 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.

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
Opus 5.5AnthropicQwen3.8 Max 0902Alibaba
Rank#2#24
IQ141126
Abstract Reasoning132107
Mathematical Reasoning149131
Academic Reasoning138131
Programmatic Reasoning155140
Computer Use147121
Reliability133120
Knowledge Work134129
Emotional Reasoning——
Effective Cost / 1M Tokens$35.67$20.79
Sticker Price / 1M I/O Tokens$24.00$8.00
Speed98 tok/s38 tok/s
Context Window1M1M
Released2026-09-222026-09-02
Open WeightsNoNo