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Model Comparison

Kimi K2.5 vs Kimi K3

Kimi K2.5 ranks #77 on the AI IQ leaderboard with an estimated IQ of 110, while Kimi K3 ranks #21 on the AI IQ leaderboard with an estimated IQ of 127. The table below puts the two models side by side across the seven capability dimensions, emotional reasoning, cost, speed, and context window.

Kimi K2.5 profile →Kimi K3 profile →
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 K2.5KimiKimi K3Kimi
Rank#77#21
IQ110127
Abstract Reasoning81106
Mathematical Reasoning110135
Academic Reasoning123132
Programmatic Reasoning115135
Computer Use117130
Reliability112121
Knowledge Work111127
Emotional Reasoning115133
Effective Cost / 1M Tokens$2.79$20.17
Sticker Price / 1M I/O Tokens$3.35$18.00
Speed74 tok/s42 tok/s
Context Window—1.0M
Released2026-01-272026-07-16
Open WeightsYesYes
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