Claude Opus 4
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Claude Opus 4 vs Mistral Devstral Medium
Compare Claude Opus 4 by Anthropic against Mistral Devstral Medium by Mistral AI, in 9 community votes, claude opus 4 wins 89% of head-to-head duels, tested across 35 shared challenges. Updated April 2026.
Which is better, Claude Opus 4 or Mistral Devstral Medium?
Claude Opus 4 is the better choice overall, winning 89% of 9 blind community votes on Rival. Claude Opus 4 costs $15/M input tokens vs $0.4/M for Mistral Devstral Medium. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4 and Mistral Devstral Medium
Claude Opus 4 is made by anthropic while Mistral Devstral Medium is from mistral. On pricing, Claude Opus 4 costs $15/M input tokens vs $0.4/M for Mistral Devstral Medium. In community voting, In 9 community votes, Claude Opus 4 wins 89% of head-to-head duels.
In 9 community votes, Claude Opus 4 wins 89% of head-to-head duels. Claude Opus 4 leads in Image Generation, Web Design. Based on blind community voting from the Rival open dataset of 9+ human preference judgments for this pair.
Image Generation: Claude Opus 4 wins 100% of votes
Web Design: Claude Opus 4 wins 100% of votes
Our Verdict
Claude Opus 4Winner
Mistral Devstral MediumRunner-up
Pick Claude Opus 4. In 9 blind votes, Claude Opus 4 wins 89% of the time. That's not luck.
Claude Opus 4 particularly excels in Image Generation, Web Design. Mistral Devstral Medium is 38x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
92%
Claude Opus 4 uses 11.2x more emoji
Claude Opus 4
Mistral Devstral Medium
64%Vocabulary50%
62wSentence Length17w
0.52Hedging0.56
4.4Bold4.5
9.1Lists5.3
0.11Emoji0.00
1.87Headings0.19
0.27Transitions0.32
Based on 16 + 21 text responses
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