Claude Sonnet 4 vs Mistral Small 4

Compare Claude Sonnet 4 by Anthropic against Mistral Small 4 by Mistral AI, context windows of 200K vs 262K, tested across 33 shared challenges. Updated March 2026.

Which is better, Claude Sonnet 4 or Mistral Small 4?

Claude Sonnet 4 and Mistral Small 4 are both competitive models. Claude Sonnet 4 costs $3/M input tokens vs $0.15/M for Mistral Small 4. Context windows: 200K vs 262K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 4 and Mistral Small 4

Claude Sonnet 4 is made by anthropic while Mistral Small 4 is from mistral. Claude Sonnet 4 has a 200K token context window compared to Mistral Small 4's 262K. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $0.15/M for Mistral Small 4.

Our Verdict
Claude Sonnet 4
Claude Sonnet 4
Mistral Small 4
Mistral Small 4Runner-up

No community votes yet. On paper, Claude Sonnet 4 has the edge — bigger model tier, major provider backing.

Mistral Small 4 is 25x cheaper per token — worth considering if cost matters.

Too close to call
FAQ

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