Model Comparison

Kimi K3 vs Opus 5

Kimi K3 ranks #23 on the AI IQ leaderboard with an estimated IQ of 126, while Opus 5 ranks #8 on the AI IQ leaderboard with an estimated IQ of 135. 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
Kimi K3KimiOpus 5Anthropic
Rank#23#8
IQ126135
Abstract Reasoning106125
Mathematical Reasoning135144
Academic Reasoning131134
Programmatic Reasoning135146
Computer Use129137
Reliability120132
Knowledge Work127130
Emotional Reasoning133139
Effective Cost / 1M Tokens$20.02$44.62
Sticker Price / 1M I/O Tokens$18.00$30.00
Speed37 tok/s58 tok/s
Context Window1.0M1M
Released2026-07-162026-07-24
Open WeightsYesNo