Open weight takes 71.5% of tokens and 23% of spend
Source
vercel.com
Author
Amelia Charles
Date
Why it matters
Production traffic shows open weightsA model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.Full definition → models at 71.5% of 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 → but 23% of spend, with average price per token down 47% since December. Useful evidence for model-routing and cost planning, from one gateway's customers.
Terms in this piece · Glossary
open weights — A model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.
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.
