Claude 3 Opus vs DeepSeek V4 Flash 0731
Compare Claude 3 Opus by Anthropic against DeepSeek V4 Flash 0731 by DeepSeek, context windows of 200K vs 1.0M, tested across 10 shared challenges.
Our Verdict
Claude 3 Opus
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 268x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude 3 Opus
Input
$15.00
Output
$75.00
DeepSeek V4 Flash 0731
Input
$0.14
107× cheaper
Output
$0.28
268× cheaper
DeepSeek V4 Flash 0731 is cheaper on both — 107× input, 268× output
Writing DNA
Style Comparison
Similarity
64%
DeepSeek V4 Flash 0731 uses 568.3x more bold
Claude 3 Opus
DeepSeek V4 Flash 0731
54%Vocabulary52%
14wSentence Length18w
0.48Hedging0.38
0.0Bold5.7
3.0Lists3.4
0.00Emoji0.00
0.00Headings0.83
0.06Transitions0.04
Based on 3 + 23 text responses
Research
What we learned reading every model
FAQ
