Claude Opus 4.5
Nothing here. The model returned empty. We stared at it for a while.
Claude Opus 4.5 vs Mistral Devstral Medium
Compare Claude Opus 4.5 by Anthropic against Mistral Devstral Medium by Mistral AI, tested across 54 shared challenges. Updated April 2026.
Which is better, Claude Opus 4.5 or Mistral Devstral Medium?
Claude Opus 4.5 and Mistral Devstral Medium are both competitive models. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.5 and Mistral Devstral Medium
Claude Opus 4.5 is made by anthropic while Mistral Devstral Medium is from mistral.
Our Verdict
Claude Opus 4.5
Mistral Devstral MediumRunner-up
No community votes yet. On paper, Claude Opus 4.5 has the edge — bigger model tier, newer, major provider backing.
Slight edge
Writing DNA
Style Comparison
Similarity
92%
Claude Opus 4.5 uses 15.2x more emoji
Claude Opus 4.5
Mistral Devstral Medium
64%Vocabulary50%
55wSentence Length17w
0.86Hedging0.56
5.8Bold4.5
4.5Lists5.3
0.15Emoji0.00
1.59Headings0.19
0.05Transitions0.32
Based on 24 + 21 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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