Model Comparison

Kimi K3 vs Opus 4.6

Kimi K3 ranks #21 on the AI IQ leaderboard with an estimated IQ of 127, while Opus 4.6 ranks #51 on the AI IQ leaderboard with an estimated IQ of 117. 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 4.6Anthropic
Rank#21#51
IQ127117
Abstract Reasoning106105
Mathematical Reasoning135121
Academic Reasoning132127
Programmatic Reasoning135122
Computer Use130127
Reliability121120
Knowledge Work127100
Emotional Reasoning133115
Effective Cost / 1M Tokens$20.17$49.93
Sticker Price / 1M I/O Tokens$18.00$30.00
Speed42 tok/s49 tok/s
Context Window1.0M—
Released2026-07-162026-02-06
Open WeightsYesNo