README.md

metadata

dataset_info:
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  - config_name: fineweb-edu-2025-08-2k
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      - name: token_count
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  - config_name: fineweb-edu-2025-21-2k
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  - config_name: fineweb-edu-s100
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  - config_name: fineweb-edu-s100-sh3-2k
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  - config_name: fineweb-edu-s100-sh4-2k
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      - name: token_count
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  - config_name: fineweb-s10-2k
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      - name: token_count
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  - config_name: fineweb2-hq-pl
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  - config_name: fineweb2-pl-2k
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  - config_name: finewiki-en
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  - config_name: finewiki-en-shuffled
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  - config_name: finewiki-pl
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  - config_name: finewiki-pl-shuffled
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        dtype: string
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  - config_name: github-code-clean-small-2k
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      - name: text
        dtype: string
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  - config_name: github-jupyter
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      - name: text
        dtype: string
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  - config_name: infiwebmath-4plus
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      - name: text
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  - config_name: kaggle
    features:
      - name: text
        dtype: string
    splits:
      - name: train
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  - config_name: megamath-web-pro-2k
    features:
      - name: text
        dtype: string
    splits:
      - name: train
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        num_examples: 5379773
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  - config_name: notebooks-all
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      - name: text
        dtype: string
    splits:
      - name: train
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        num_examples: 627647
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  - config_name: pp2-algebraic-stack
    features:
      - name: text
        dtype: string
    splits:
      - name: train
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        num_examples: 3373977
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  - config_name: pp2-arxiv
    features:
      - name: text
        dtype: string
    splits:
      - name: train
        num_bytes: 70401855623
        num_examples: 3965390
    download_size: 33283572746
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configs:
  - config_name: beta-code-short
    data_files:
      - split: train
        path: beta-code-short/train-*
  - config_name: dclm-edu-2k
    data_files:
      - split: train
        path: dclm-edu-2k/train-*
  - config_name: finemath-4plus
    data_files:
      - split: train
        path: finemath-4plus/train-*
  - config_name: finepdfs-edu-en-2k
    data_files:
      - split: train
        path: finepdfs-edu-en-2k/train-*
  - config_name: finepdfs-edu-pl-2k
    data_files:
      - split: train
        path: finepdfs-edu-pl-2k/train-*
  - config_name: finepdfs-pl-2k
    data_files:
      - split: train
        path: finepdfs-pl-2k/train-*
  - config_name: fineweb-edu-2025-08-2k
    data_files:
      - split: train
        path: fineweb-edu-2025-08-2k/train-*
  - config_name: fineweb-edu-2025-13-2k
    data_files:
      - split: train
        path: fineweb-edu-2025-13-2k/train-*
  - config_name: fineweb-edu-2025-18-2k
    data_files:
      - split: train
        path: fineweb-edu-2025-18-2k/train-*
  - config_name: fineweb-edu-2025-21-2k
    data_files:
      - split: train
        path: fineweb-edu-2025-21-2k/train-*
  - config_name: fineweb-edu-2025-26
    data_files:
      - split: train
        path: fineweb-edu-2025-26/train-*
  - config_name: fineweb-edu-s100
    data_files:
      - split: train
        path: fineweb-edu-s100/train-*
  - config_name: fineweb-edu-s100-sh3-2k
    data_files:
      - split: train
        path: fineweb-edu-s100-sh3-2k/train-*
  - config_name: fineweb-edu-s100-sh4-2k
    data_files:
      - split: train
        path: fineweb-edu-s100-sh4-2k/train-*
  - config_name: fineweb-s10-2k
    data_files:
      - split: train
        path: fineweb-s10-2k/train-*
  - config_name: fineweb2-hq-pl
    data_files:
      - split: train
        path: fineweb2-hq-pl/train-*
  - config_name: fineweb2-pl-2k
    data_files:
      - split: train
        path: fineweb2-pl-2k/train-*
  - config_name: finewiki-en
    data_files:
      - split: train
        path: finewiki-en/train-*
  - config_name: finewiki-en-shuffled
    data_files:
      - split: train
        path: finewiki-en-shuffled/train-*
  - config_name: finewiki-pl
    data_files:
      - split: train
        path: finewiki-pl/train-*
  - config_name: finewiki-pl-shuffled
    data_files:
      - split: train
        path: finewiki-pl-shuffled/train-*
  - config_name: github-code-clean-small-2k
    data_files:
      - split: train
        path: github-code-clean-small-2k/train-*
  - config_name: github-jupyter
    data_files:
      - split: train
        path: github-jupyter/train-*
  - config_name: infiwebmath-4plus
    data_files:
      - split: train
        path: infiwebmath-4plus/train-*
  - config_name: kaggle
    data_files:
      - split: train
        path: kaggle/train-*
  - config_name: megamath-web-pro-2k
    data_files:
      - split: train
        path: megamath-web-pro-2k/train-*
  - config_name: notebooks-all
    data_files:
      - split: train
        path: notebooks-all/train-*
  - config_name: pp2-algebraic-stack
    data_files:
      - split: train
        path: pp2-algebraic-stack/train-*
  - config_name: pp2-arxiv
    data_files:
      - split: train
        path: pp2-arxiv/train-*

Reactive AI / Beta Pre-Train Corpus

Pre-training corpus for RxT-Beta models, created from public & open datasets. Includes high-quality english and polish web crawl data, mathematic and scientific subsets, and code in different programming languages.

2k subsets are filtered for 1024-2048 tokens, except MegaMath Web Pro and GitHub Code subsets, that were filtered for 512-2048 tokens

Subsets & original datasets

• FineWeb-Edu
  • fineweb-edu-s100 (51.3M examples) - 50% of 'sample-100BT' subset
  • fineweb-edu-2025-26 (14M examples) - CC-MAIN-2025-26 subset - latest crawl
  • fineweb-edu-s100-sh3-2k (4.69M examples) - third 25% of 'sample-100BT' subset filtered for 1024-2048 tokens examples
  • fineweb-edu-s100-sh4-2k (3.90M examples) - fourth 25% of 'sample-100BT' subset filtered for 1024-2048 tokens examples
  • fineweb-edu-2025-08-2k (3.77M examples) - CC-MAIN-2025-08 subset, filtered for 1024-2048 tokens examples
  • fineweb-edu-2025-13-2k (3.95M examples) - CC-MAIN-2025-13 subset, filtered for 1024-2048 tokens examples
  • fineweb-edu-2025-18-2k (4.13M examples) - CC-MAIN-2025-18 subset, filtered for 1024-2048 tokens examples
  • fineweb-edu-2025-21-2k (3.76M examples) - CC-MAIN-2025-21 subset, filtered for 1024-2048 tokens examples
• FineWiki
  • finewiki-en (6.6M examples) - english wikipedia subset
  • finewiki-pl (1.5M examples) - polish wikipedia subset
• FineWeb
  • fineweb-s10-2k (1.73M examples) - 'sample-10BT' subset, filtered for 1024-2048 tokens examples
• FineWeb2-HQ
  • fineweb2-hq-pl (13.3M examples) - high-quality filtered polish web crawl
• FineWeb-2
  • fineweb2-pl-2k (2.13M examples) - latest 30% of polish subset, filtered for 1024-2048 tokens examples
• DCLM-Edu
  • dclm-edu-2k (3.59M examples) - examples filtered for 3 and higher educational score and 1024-2048 tokens
• FinePdfs-Edu
  • finepdfs-edu-en-2k (4.38M examples) - english subset filtered for 1024-2048 tokens
  • finepfds-edu-pl-2k (0.18M examples) - polish subset filtered for 1024-2048 tokens (not used, as it's duplicated in base finepdfs-pl-2k)
• FinePdfs
  • finepfds-pl-2k (1.65M examples) - polish subset filtered for 1024-2048 tokens
• FineMath
  • finemath-4plus (6.7M examples) - full subset with best math quality
  • infiwebmath-4plus (6.3M examples) - full subset with best math quality
• MegaMath
  • megamath-web-pro-2k (5.38M examples) - filtered for 512-2048 tokens MegaMath Web Pro subset
• ProofPile-2
  • pp2-arxiv (4M examples) - arXiv research papers
  • pp2-algebraic-stack (3.37M examples) - mathematic code examples
• Notebooks:
  • kaggle (0.58M examples) - from HuggingFaceTB/issues-kaggle-notebooks
  • github-jupyter (0.05M examples) - from codeparrot/github-jupyter-code-to-text
  • notebooks-all (0.63M examples) - kaggle and github-jupyter combined
• Code:
  • beta-code-short (4.51M examples) - filtered and combined code from codeparrot/codeparrot-clean and codeparrot/github-code-clean
  • github-code-clean-small-2k (8.17M examples) - filtered for 512-2048 tokens code from loubnabnl/github-code-clean-small