Marin releases 23T-token pretraining dataset for public download

joecole · x · 2026-08-22

Stanford's Marin model pretraining data is now publicly available, containing 23 trillion tokens, downloadable from an S3 bucket. Dataset composition, architecture, infra, and kernel details are on GitHub, with live training on wandb. The team highlights the joint effort across data, architecture, infra, and kernels.

Related event: Stanford's Marin Launches Fully Transparent Training of 535B Model, Open-Sources 23T Token Dataset(7 posts)→

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