juliannunezb/mixed-pretrain-10b-gpt2

Mixed Pretraining 10B (GPT-2 BPE) A 10-billion-token pretraining dataset, GPT-2 BPE tokenized, assembled as a diverse mix of web text, books, Wikipedia, code, academic papers, Q&A and instruction-formatted conversations. Built to train a ~500M parameter from-scratch GPT-2-style transformer (see juliannunezb/transformer-lm-500m). Mix Source Mix % Tokens Notes fineweb 40.4% 4,039,999,700 reused from kjj0/fineweb10B-gpt2 fineweb_edu 15.2% 1,514,999,900… See the full description on the dataset page: https://huggingface.co/datasets/juliannunezb/mixed-pretrain-10b-gpt2.

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