Claude Sonnet 4.5
Nothing here. The model returned empty. We stared at it for a while.
Claude Sonnet 4.5 vs Mistral Devstral Medium
Compare Claude Sonnet 4.5 by Anthropic against Mistral Devstral Medium by Mistral AI, tested across 43 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4.5 or Mistral Devstral Medium?
Claude Sonnet 4.5 and Mistral Devstral Medium are both competitive models. Claude Sonnet 4.5 costs $3/M input tokens vs $0.4/M for Mistral Devstral Medium. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4.5 and Mistral Devstral Medium
Claude Sonnet 4.5 is made by anthropic while Mistral Devstral Medium is from mistral. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $0.4/M for Mistral Devstral Medium.
Our Verdict
Claude Sonnet 4.5
Mistral Devstral MediumRunner-up
No community votes yet. On paper, Claude Sonnet 4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Medium is 7.5x cheaper per token — worth considering if cost matters.
Slight edge
Writing DNA
Style Comparison
Similarity
92%
Claude Sonnet 4.5 uses 45.2x more emoji
Claude Sonnet 4.5
Mistral Devstral Medium
64%Vocabulary50%
94wSentence Length17w
0.48Hedging0.56
4.9Bold4.5
8.0Lists5.3
0.45Emoji0.00
1.91Headings0.19
0.07Transitions0.32
Based on 20 + 21 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.
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FAQ