Claude Sonnet 4
Nothing here. The model returned empty. We stared at it for a while.
Claude Sonnet 4 vs Mistral Devstral Medium
Compare Claude Sonnet 4 by Anthropic against Mistral Devstral Medium by Mistral AI, in 16 community votes, claude sonnet 4 wins 73% of head-to-head duels, tested across 34 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4 or Mistral Devstral Medium?
Claude Sonnet 4 is the better choice overall, winning 73% of 16 blind community votes on Rival. Claude Sonnet 4 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 and Mistral Devstral Medium
Claude Sonnet 4 is made by anthropic while Mistral Devstral Medium is from mistral. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $0.4/M for Mistral Devstral Medium. In community voting, In 16 community votes, Claude Sonnet 4 wins 73% of head-to-head duels.
In 16 community votes, Claude Sonnet 4 wins 73% of head-to-head duels. Claude Sonnet 4 leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 16+ human preference judgments for this pair.
Web Design: Claude Sonnet 4 wins 83% of votes
Image Generation: Claude Sonnet 4 wins 100% of votes
Our Verdict
Claude Sonnet 4Winner
Mistral Devstral MediumRunner-up
Pick Claude Sonnet 4. In 16 blind votes, Claude Sonnet 4 wins 73% of the time. That's not luck.
Claude Sonnet 4 particularly excels in Image Generation, Web Design. Mistral Devstral Medium is 7.5x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
92%
Claude Sonnet 4 uses 87.9x more emoji
Claude Sonnet 4
Mistral Devstral Medium
62%Vocabulary50%
111wSentence Length17w
0.40Hedging0.56
5.0Bold4.5
9.3Lists5.3
0.88Emoji0.00
2.16Headings0.19
0.33Transitions0.32
Based on 17 + 21 text responses
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
Model Similarity Index
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%
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