Claude Sonnet 4 vs Mistral Medium 3

Compare Claude Sonnet 4 by Anthropic against Mistral Medium 3 by Mistral AI, in 42 community votes, claude sonnet 4 wins 58% of head-to-head duels, context windows of 200K vs 131K, tested across 24 shared challenges. Updated April 2026.

Which is better, Claude Sonnet 4 or Mistral Medium 3?

Claude Sonnet 4 is the better choice overall, winning 58% of 42 blind community votes on Rival. Claude Sonnet 4 costs $3/M input tokens vs $0.4/M for Mistral Medium 3. Context windows: 200K vs 131K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 4 and Mistral Medium 3

Claude Sonnet 4 is made by anthropic while Mistral Medium 3 is from mistral. Claude Sonnet 4 has a 200K token context window compared to Mistral Medium 3's 131K. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $0.4/M for Mistral Medium 3. In community voting, In 42 community votes, Claude Sonnet 4 wins 58% of head-to-head duels.

In 42 community votes, Claude Sonnet 4 wins 58% of head-to-head duels. Claude Sonnet 4 leads in Image Generation, Reasoning, while Mistral Medium 3 leads in Web Design, Analysis. Based on blind community voting from the Rival open dataset of 42+ human preference judgments for this pair.

Web Design: Mistral Medium 3 wins 67% of votes
Image Generation: Claude Sonnet 4 wins 91% of votes
Reasoning: Claude Sonnet 4 wins 83% of votes
Analysis: Mistral Medium 3 wins 67% of votes
Our Verdict
Claude Sonnet 4
Claude Sonnet 4Winner
Mistral Medium 3
Mistral Medium 3Runner-up

Pick Claude Sonnet 4. In 42 blind votes, Claude Sonnet 4 wins 58% of the time. That's not luck.

Pick Claude Sonnet 4 for Image Generation, Reasoning. Pick Mistral Medium 3 for Web Design, Analysis. Mistral Medium 3 is 7.5x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
97%

Claude Sonnet 4 uses 14.7x more emoji

Claude Sonnet 4
Mistral Medium 3
62%Vocabulary57%
111wSentence Length17w
0.40Hedging0.73
5.0Bold8.6
9.3Lists6.5
0.88Emoji0.06
2.16Headings1.18
0.33Transitions0.15
Based on 17 + 15 text responses
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Claude Sonnet 4Mistral Medium 3

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