Deep Dive Afm 4 5b The First Arcee Foundational Model
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Arcee AI editorial sitemap
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Arcee AI editorial sitemap
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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.
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.
Why it matters
A from-scratch small foundation model trained on 6.58T curated 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 →, positioned for the 3-10B gap where Western 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 → had stagnated, with the data-curation pipeline named as the main lever.