Model Comparison

A.x K2 vs Kat Coder Pro V1

A.x K2 ranks #108 on the AI IQ leaderboard with an estimated IQ of 103, while Kat Coder Pro V1 ranks #109 on the AI IQ leaderboard with an estimated IQ of 103. 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)Kat Coder Pro V1China (Other)
Rank#108#109
IQ103103
Abstract Reasoning8677
Mathematical Reasoning94115
Academic Reasoning123111
Programmatic Reasoning99111
Computer Use100101
Reliability112101
Knowledge Work108107
Emotional Reasoning——
Effective Cost / 1M Tokens—$1.27
Sticker Price / 1M I/O Tokens—$1.50
Speed—61 tok/s
Context Window262K256K
Released2026-07-29—
Open WeightsYesNo