Claude Sonnet 5 vs DeepSeek V3 (March 2024)
Compare Claude Sonnet 5 by Anthropic against DeepSeek V3 (March 2024) by DeepSeek, context windows of 1.0M vs 128K, tested across 54 shared challenges.
Our Verdict
Claude Sonnet 5
DeepSeek V3 (March 2024)
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
DeepSeek V3 (March 2024) is 36x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 5
Input
$2.00
Output
$10.00
DeepSeek V3 (March 2024)
Input
$0.14
14× cheaper
Output
$0.28
36× cheaper
DeepSeek V3 (March 2024) is cheaper on both — 14× input, 36× output
Writing DNA
Style Comparison
Similarity
62%
Claude Sonnet 5 uses 3.1x more emoji
Claude Sonnet 5
DeepSeek V3 (March 2024)
59%Vocabulary58%
35wSentence Length18w
0.53Hedging0.73
3.5Bold7.5
3.5Lists7.6
0.79Emoji0.26
1.25Headings1.60
0.06Transitions0.08
Based on 27 + 16 text responses
Research
What we learned reading every model
FAQ
