DeepSeek R1
Nothing here. The model returned empty. We stared at it for a while.
DeepSeek R1 vs Claude Sonnet 4
Compare DeepSeek R1 by DeepSeek against Claude Sonnet 4 by Anthropic, in 23 community votes, claude sonnet 4 wins 79% of head-to-head duels, context windows of 128K vs 200K, tested across 33 shared challenges. Updated April 2026.
Which is better, DeepSeek R1 or Claude Sonnet 4?
Claude Sonnet 4 is the better choice overall, winning 79% of 23 blind community votes on Rival. DeepSeek R1 costs $0.55/M input tokens vs $3/M for Claude Sonnet 4. Context windows: 128K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek R1 and Claude Sonnet 4
DeepSeek R1 is made by deepseek while Claude Sonnet 4 is from anthropic. DeepSeek R1 has a 128K token context window compared to Claude Sonnet 4's 200K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $3/M for Claude Sonnet 4. In community voting, In 23 community votes, Claude Sonnet 4 wins 79% of head-to-head duels.
In 23 community votes, Claude Sonnet 4 wins 79% of head-to-head duels. Claude Sonnet 4 leads in Image Generation. Based on blind community voting from the Rival open dataset of 23+ human preference judgments for this pair.
Image Generation: Claude Sonnet 4 wins 86% of votes
Web Design: DeepSeek R1 and Claude Sonnet 4 are tied
Our Verdict
Claude Sonnet 4Winner
DeepSeek R1Runner-up
Pick Claude Sonnet 4. In 23 blind votes, Claude Sonnet 4 wins 79% of the time. That's not luck.
Claude Sonnet 4 particularly excels in Image Generation. DeepSeek R1 is 6.8x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
84%
Claude Sonnet 4 uses 20.3x more emoji
DeepSeek R1
Claude Sonnet 4
62%Vocabulary62%
15wSentence Length111w
0.52Hedging0.40
8.0Bold5.0
5.7Lists9.3
0.04Emoji0.88
0.62Headings2.16
0.28Transitions0.33
Based on 22 + 17 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ