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Dataset

Mixed pretraining dataset built from:

Source Weight Notes
epfml/FineWeb-HQ 60% Quality-filtered web text (score > 0.8)
HuggingFaceTB/cosmopedia 20% Sequential: stanford → wikihow → web_samples_v2
HuggingFaceTB/finemath (finemath-4plus) 10% Mathematical reasoning
bigcode/python-stack-v1-functions-filtered 10% Python code functions

Total rows: 12,000
Shards: 1 parquet files
Split: all rows are in train

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