Model Comparison

Grok 4.3 vs Kimi K3

Grok 4.3 ranks #66 on the AI IQ leaderboard with an estimated IQ of 112, while Kimi K3 ranks #20 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.

Grok 4.3 profile →Kimi K3 profile →

First model Second model

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

	Grok 4.3xAI	Kimi K3Kimi
Rank	#66	#20
IQ	112	127
Abstract Reasoning	93	106
Mathematical Reasoning	119	135
Academic Reasoning	127	132
Programmatic Reasoning	105	135
Computer Use	110	130
Reliability	119	121
Knowledge Work	110	127
Emotional Reasoning	93	133
Effective Cost / 1M Tokens	$1.69	$20.21
Sticker Price / 1M I/O Tokens	$3.75	$18.00
Speed	98 tok/s	42 tok/s
Context Window	1M	1.0M
Released	2026-04-17	2026-07-16
Open Weights	No	Yes

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