Mistral Medium 3 vs Claude Sonnet 4

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

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

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

Key Differences Between Mistral Medium 3 and Claude Sonnet 4

Mistral Medium 3 is made by mistral while Claude Sonnet 4 is from anthropic. Mistral Medium 3 has a 131K token context window compared to Claude Sonnet 4's 200K. On pricing, Mistral Medium 3 costs $0.4/M input tokens vs $3/M for Claude Sonnet 4. 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. Mistral Medium 3 leads in Web Design, Analysis, while Claude Sonnet 4 leads in Image Generation, Reasoning. 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 Mistral Medium 3 for Web Design, Analysis. Pick Claude Sonnet 4 for Image Generation, Reasoning. 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

Mistral Medium 3
Claude Sonnet 4
57%Vocabulary62%
17wSentence Length111w
0.73Hedging0.40
8.6Bold5.0
6.5Lists9.3
0.06Emoji0.88
1.18Headings2.16
0.15Transitions0.33
Based on 15 + 17 text responses
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Mistral Medium 3Claude Sonnet 4

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