xAI: Grok 4.3 vs Kimi Linear 48B A3B Instruct
Compare xAI: Grok 4.3 by xAI against Kimi Linear 48B A3B Instruct by Moonshot AI, context windows of 1.0M vs 1.0M, tested across 34 shared challenges.
Our Verdict
xAI: Grok 4.3
Kimi Linear 48B A3B Instruct
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Kimi Linear 48B A3B Instruct is 4.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4.3
Input
$1.25
Output
$2.50
Kimi Linear 48B A3B Instruct
Input
$0.30
4.2× cheaper
Output
$0.60
4.2× cheaper
Kimi Linear 48B A3B Instruct is cheaper on both — 4.2× input, 4.2× output
Writing DNA
Style Comparison
Similarity
47%
xAI: Grok 4.3 uses 3.1x more transitions
xAI: Grok 4.3
Kimi Linear 48B A3B Instruct
62%Vocabulary63%
16wSentence Length15w
0.46Hedging0.19
2.3Bold5.2
2.5Lists3.2
0.00Emoji0.00
0.34Headings0.38
0.14Transitions0.05
Based on 27 + 14 text responses
Research
What we learned reading every model
FAQ
