xAI: Grok 4.3 vs MoonshotAI: Kimi K2 0905
Compare xAI: Grok 4.3 by xAI against MoonshotAI: Kimi K2 0905 by Moonshot AI, context windows of 1.0M vs 262K, tested across 54 shared challenges.
Our Verdict
xAI: Grok 4.3
MoonshotAI: Kimi K2 0905
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
MoonshotAI: Kimi K2 0905
Input
$0.60
2.1× cheaper
Output
$2.50
Writing DNA
Style Comparison
Similarity
49%
MoonshotAI: Kimi K2 0905 uses 14.6x more emoji
xAI: Grok 4.3
MoonshotAI: Kimi K2 0905
62%Vocabulary62%
16wSentence Length19w
0.46Hedging0.17
2.3Bold3.3
2.5Lists3.4
0.00Emoji0.15
0.34Headings0.83
0.14Transitions0.06
Based on 27 + 22 text responses
Research
What we learned reading every model
FAQ
