Model Comparison

Glm 5 vs Opus 5.5

Glm 5 ranks #94 on the AI IQ leaderboard with an estimated IQ of 106, 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.

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
Glm 5Z.aiOpus 5.5Anthropic
Rank#94#2
IQ106141
Abstract Reasoning77132
Mathematical Reasoning105149
Academic Reasoning120138
Programmatic Reasoning116154
Computer Use120148
Reliability113133
Knowledge Work94134
Emotional Reasoning115—
Effective Cost / 1M Tokens$6.38$35.73
Sticker Price / 1M I/O Tokens$4.20$24.00
Speed71 tok/s98 tok/s
Context Window—1M
Released2026-02-112026-09-22
Open WeightsYesNo