Claude Opus 4 vs DeepSeek V3 (March 2024)
Compare Claude Opus 4 by Anthropic against DeepSeek V3 (March 2024) by DeepSeek, context windows of 200K vs 128K, tested across 53 shared challenges.
Our Verdict
Claude Opus 4
DeepSeek V3 (March 2024)Runner-up
No community votes yet. On paper, Claude Opus 4 has the edge — newer, bigger context window.
DeepSeek V3 (March 2024) is 268x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4
Input
$15.00
Output
$75.00
DeepSeek V3 (March 2024)
Input
$0.14
107× cheaper
Output
$0.28
268× cheaper
DeepSeek V3 (March 2024) is cheaper on both — 107× input, 268× output
Writing DNA
Style Comparison
Similarity
68%
Claude Opus 4 uses 3.5x more transitions
Claude Opus 4
DeepSeek V3 (March 2024)
64%Vocabulary58%
62wSentence Length18w
0.52Hedging0.73
4.4Bold7.5
9.1Lists7.6
0.11Emoji0.26
1.87Headings1.60
0.27Transitions0.08
Based on 16 + 16 text responses
Research
What we learned reading every model
FAQ
