AI IQ
Subscribe
Model Comparison

Fugu Ultra V2.0 vs Qwen3.5 397b

Fugu Ultra V2.0 ranks #85 on the AI IQ leaderboard with an estimated IQ of 109, while Qwen3.5 397b ranks #87 on the AI IQ leaderboard with an estimated IQ of 109. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Fugu Ultra V2.0 profile →Qwen3.5 397b 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
Fugu Ultra V2.0World (Other)Qwen3.5 397bAlibaba
Rank#85#87
IQ109109
Abstract Reasoning9381
Mathematical Reasoning103113
Academic Reasoning126121
Programmatic Reasoning121110
Computer Use108114
Reliability104117
Knowledge Work105109
Emotional Reasoning—108
Effective Cost / 1M Tokens$44.78$4.90
Sticker Price / 1M I/O Tokens$35.00$4.20
Speed—58 tok/s
Context Window1M262K
Released2026-09-112026-02-16
Open WeightsNoYes
More comparisons