Model Comparison

Qwen3.5 397b vs Qwen3.8 Max 0902

Qwen3.5 397b ranks #87 on the AI IQ leaderboard with an estimated IQ of 109, while Qwen3.8 Max 0902 ranks #29 on the AI IQ leaderboard with an estimated IQ of 125. 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
Qwen3.5 397bAlibabaQwen3.8 Max 0902Alibaba
Rank#87#29
IQ109125
Abstract Reasoning81107
Mathematical Reasoning113131
Academic Reasoning121131
Programmatic Reasoning110140
Computer Use114121
Reliability117120
Knowledge Work109129
Emotional Reasoning108—
Effective Cost / 1M Tokens$4.90$20.79
Sticker Price / 1M I/O Tokens$4.20$8.00
Speed58 tok/s40 tok/s
Context Window262K1M
Released2026-02-162026-09-02
Open WeightsYesNo