Opus 5.5 costs 20% less per tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → and plan limits go 25% further, with guidance on when medium effort suffices for daily Claude Code work.
Terms in this piece · Glossary
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.