Smarter Charts Inline Svgs And Live Usage Accounting
Source
OpenRouter
Author
OpenRouter
Date
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.
Why it matters
Setting "usage": {"include": true} makes OpenRouter return cost, total 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 →, cached prompt tokens and reasoning tokens inside the streamed response itself, so per-request accounting no longer needs a follow-up API call.
