Muse Spark 1.3's cheaper Contributor tier changes how submitted data is used. Vercel says it serves the same Meta model, with identical weights and capabilities, but Meta uses that tier's inputs and outputs for training. The changelog lists standard input/output prices of $1.25/$4.25 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 →, compared with $0.10/$0.20 for Contributor. Choosing between them therefore involves a data-use decision as well as a price comparison. Tier details.
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.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
