Claude Opus 4.1 vs Mistral Nemo
Compare Claude Opus 4.1 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 4.1 or Mistral Nemo?
Claude Opus 4.1 and Mistral Nemo are both competitive models. Claude Opus 4.1 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 4.1 and Mistral Nemo
Claude Opus 4.1 is made by anthropic while Mistral Nemo is from mistral. Claude Opus 4.1 has a 200K token context window compared to Mistral Nemo's 128K. On pricing, Claude Opus 4.1 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 4.1 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 4.1 uses 38.4x more emoji
