Model Comparison

A.x K2 vs Glm 5.3

A.x K2 ranks #92 on the AI IQ leaderboard with an estimated IQ of 104, while Glm 5.3 ranks #24 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
A.x K2World (Other)Glm 5.3Z.ai
Rank#92#24
IQ104125
Abstract Reasoning8698
Mathematical Reasoning94131
Academic Reasoning124132
Programmatic Reasoning101141
Computer Use100128
Reliability112122
Knowledge Work108124
Emotional Reasoning——
Effective Cost / 1M Tokens—$12.90
Sticker Price / 1M I/O Tokens—$5.80
Speed—72 tok/s
Context Window262K1M
Released2026-07-292026-08-18
Open WeightsYesYes