DeepSeek V4 Flash 0731 vs Kimi K2 0905
Compare DeepSeek V4 Flash 0731 by DeepSeek against Kimi K2 0905 by Moonshot AI, context windows of 1.0M vs 262K, tested across 42 shared challenges.
Our Verdict
DeepSeek V4 Flash 0731
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.
DeepSeek V4 Flash 0731 is 8.9x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Flash 0731
Input
$0.14
4.3× cheaper
Output
$0.28
8.9× cheaper
Kimi K2 0905
Input
$0.60
Output
$2.50
DeepSeek V4 Flash 0731 is cheaper on both — 4.3× input, 8.9× output
Writing DNA
Style Comparison
Similarity
52%
Kimi K2 0905 uses 14.6x more emoji
DeepSeek V4 Flash 0731
Kimi K2 0905
52%Vocabulary62%
18wSentence Length19w
0.38Hedging0.17
5.7Bold3.3
3.4Lists3.4
0.00Emoji0.15
0.83Headings0.83
0.04Transitions0.06
Based on 23 + 22 text responses
Research
What we learned reading every model
FAQ
