On the Claude Platform, Opus 5.5 is $4/$20 per million tokens, down from $5/$25. Cache reads drop 60%, from $0.50 to $0.20.
Run `/claude-api migrate` in Claude Code to switch to `claude-opus-5-5`.
Our guide to lower costs with the Claude Platform: https://t.co/SVkAIm6Oy5.
Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family.
It performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5.