Opus 4.5's price cut to $5/$25 per million 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 → roughly halves index run cost, but 60% higher token use means real savings are smaller than the headline suggests.
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.
