Claude 3 Sonnet vs DeepSeek V4 Flash 0731
Compare Claude 3 Sonnet by Anthropic against DeepSeek V4 Flash 0731 by DeepSeek, tested across 11 shared challenges.
Our Verdict
Claude 3 Sonnet
DeepSeek V4 Flash 0731
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 54x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude 3 Sonnet
Input
$3.00
Output
$15.00
DeepSeek V4 Flash 0731
Input
$0.14
21× cheaper
Output
$0.28
54× cheaper
DeepSeek V4 Flash 0731 is cheaper on both — 21× input, 54× output
Writing DNA
Style Comparison
Similarity
54%
DeepSeek V4 Flash 0731 uses 568.3x more bold
Claude 3 Sonnet
DeepSeek V4 Flash 0731
48%Vocabulary52%
14wSentence Length18w
0.32Hedging0.38
0.0Bold5.7
3.6Lists3.4
0.00Emoji0.00
0.00Headings0.83
0.38Transitions0.04
Based on 4 + 23 text responses
Research
What we learned reading every model
FAQ
