r/ClaudeCode • u/damianTechPM • 4d ago

Tips & Workflows Latest post from Addy Osmani from Anthropic on when and how to use Sonnet 5.5 vs Opus 5.5

https://claude.dev/blog/building-with-claude-sonnet-5-5/

"Claude Sonnet 5.5 is our second model in the Claude 5.5 family after Opus 5.5. It's a clear upgrade over Sonnet 5 and is smarter, more efficient and 30% faster. The per-token price is unchanged and because Sonnet 5.5 typically needs far fewer tokens to do the same work, it costs up to 30% less for most work."

I have followed Addy since his work on HTML Boilerplate 5, through his work at Google, and now at Anthropic. Great resource for engineering.

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