Claude Opus 4 vs Mistral Nemo
Compare Claude Opus 4 by Anthropic against Mistral Nemo by Mistral AI, context windows of 200K vs 128K, tested across 53 shared challenges. Updated June 2026.
Which is better, Claude Opus 4 or Mistral Nemo?
Claude Opus 4 and Mistral Nemo are both competitive models. Claude Opus 4 costs $15/M input tokens vs $0.03/M for Mistral Nemo. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4 and Mistral Nemo
Claude Opus 4 is made by anthropic while Mistral Nemo is from mistral. Claude Opus 4 has a 200K token context window compared to Mistral Nemo's 128K. On pricing, Claude Opus 4 costs $15/M input tokens vs $0.03/M for Mistral Nemo.
Per 1M tokens
Mistral Nemo is cheaper on both — 500× input, 1071× output
No community votes yet. On paper, Claude Opus 4 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Nemo is 1071x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4 uses 11.2x more emoji
