DeepSeek R1 vs MoonshotAI: Kimi K2 0905
Compare DeepSeek R1 by DeepSeek against MoonshotAI: Kimi K2 0905 by Moonshot AI, context windows of 128K vs 262K, tested across 54 shared challenges.
Our Verdict
MoonshotAI: Kimi K2 0905
DeepSeek R1Runner-up
No community votes yet. On paper, MoonshotAI: Kimi K2 0905 has the edge — bigger model tier, newer, bigger context window.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek R1
Input
$0.55
1.1× cheaper
Output
$2.19
1.1× cheaper
MoonshotAI: Kimi K2 0905
Input
$0.60
Output
$2.50
DeepSeek R1 is cheaper on both — 1.1× input, 1.1× output
Writing DNA
Style Comparison
Similarity
42%
DeepSeek R1 uses 4.9x more transitions
DeepSeek R1
MoonshotAI: Kimi K2 0905
62%Vocabulary62%
15wSentence Length19w
0.52Hedging0.17
8.0Bold3.3
5.7Lists3.4
0.04Emoji0.15
0.62Headings0.83
0.28Transitions0.06
Based on 22 + 22 text responses
Research
What we learned reading every model
FAQ
