Stanford and Laude release Atlantic-CC, a 17T-token model-filtered Common Crawl for open LLMs

Diyi_Yang · x · 2026-10-21

The Laude Institute and a Stanford team (including Percy Liang, Diyi Yang, and Tatsunori Hashimoto) released Atlantic-CC: a model-based processing of Common Crawl yielding roughly 17T tokens of curated data, aimed at training bigger and better open-source LLMs. A significant open-data infrastructure effort to counter the shrinking supply of high-quality training corpora.

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