Claude Sonnet 4.5 vs Mistral Nemo
Compare Claude Sonnet 4.5 by Anthropic against Mistral Nemo by Mistral AI, context windows of 200K vs 128K, tested across 42 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4.5 or Mistral Nemo?
Claude Sonnet 4.5 and Mistral Nemo are both competitive models. Claude Sonnet 4.5 costs $3/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 Sonnet 4.5 and Mistral Nemo
Claude Sonnet 4.5 is made by anthropic while Mistral Nemo is from mistral. Claude Sonnet 4.5 has a 200K token context window compared to Mistral Nemo's 128K. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $0.03/M for Mistral Nemo.
No community votes yet. On paper, Claude Sonnet 4.5 has the edge — newer, bigger context window, major provider backing.
Mistral Nemo is 214x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Sonnet 4.5 uses 45.2x more emoji
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
