xAI: Grok 4.3 vs Kimi K2 Thinking
Compare xAI: Grok 4.3 by xAI against Kimi K2 Thinking by Moonshot AI, context windows of 1.0M vs 262K, tested across 54 shared challenges.
Our Verdict
xAI: Grok 4.3
Kimi K2 Thinking
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
xAI: Grok 4.3
Input
$1.25
Output
$2.50
Kimi K2 Thinking
Input
$0.60
2.1× cheaper
Output
$2.50
Writing DNA
Style Comparison
Similarity
45%
Kimi K2 Thinking uses 2.6x more bold
xAI: Grok 4.3
Kimi K2 Thinking
62%Vocabulary57%
16wSentence Length26w
0.46Hedging0.36
2.3Bold5.8
2.5Lists6.0
0.00Emoji0.00
0.34Headings0.56
0.14Transitions0.06
Based on 27 + 14 text responses
Research
What we learned reading every model
FAQ
