Claude Sonnet 4 vs DeepSeek V3 (March 2024)
Compare Claude Sonnet 4 by Anthropic against DeepSeek V3 (March 2024) by DeepSeek, in 10 community votes, claude sonnet 4 wins 71% of head-to-head duels, context windows of 200K vs 128K, tested across 53 shared challenges.
Web Design: DeepSeek V3 (March 2024) wins 67% of votes
Image Generation: Claude Sonnet 4 wins 100% of votes
Our Verdict
Claude Sonnet 4Winner
DeepSeek V3 (March 2024)Runner-up
Pick Claude Sonnet 4. In 10 blind votes, Claude Sonnet 4 wins 71% of the time. That's not luck.
Pick Claude Sonnet 4 for Image Generation. Pick DeepSeek V3 (March 2024) for Web Design. DeepSeek V3 (March 2024) is 54x cheaper per token — worth considering if cost matters.
Clear winner
API pricing
Cost per 1M tokens
Claude Sonnet 4
Input
$3.00
Output
$15.00
DeepSeek V3 (March 2024)
Input
$0.14
21× cheaper
Output
$0.28
54× cheaper
DeepSeek V3 (March 2024) is cheaper on both — 21× input, 54× output
Writing DNA
Style Comparison
Similarity
56%
Claude Sonnet 4 uses 6.1x more sentence length
Claude Sonnet 4
DeepSeek V3 (March 2024)
62%Vocabulary58%
111wSentence Length18w
0.40Hedging0.73
5.0Bold7.5
9.3Lists7.6
0.88Emoji0.26
2.16Headings1.60
0.33Transitions0.08
Based on 17 + 16 text responses
Research
What we learned reading every model
FAQ
