The whole Opus family has exactly the same cost structure [1]. Since Opus 5 is smarter, you can use lower effort levels (= less tokens) making it cheaper to run

The whole Opus family has exactly the same cost structure [1]. Since Opus 5 is smarter, you can use lower effort levels (= less tokens) making it cheaper to run than 4.8. [1] https://platform.claude.com/docs/en/about-claude/pricing https://platform.claude.com/docs/en/about-claude/pricing