Researcher · Engineer
Guilherme Penedo
Macrodata LabsCo-founder & CEO
Penedo helped create FineWeb, a filtered collection of web text that launched with 15 trillion tokens.[1] His team released the processing tools and documented how filtering and removing duplicates affected model performance, giving researchers a way to reproduce the results.
Career & education
Macrodata Labs2026-present
Hugging Face2023-2026
LightOn2022-2023Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Citation Trend
References
- Penedo et al. — The FineWeb Datasetsarxiv.org
Original dataset size, benchmark experiments on filtering and deduplication, and public processing code.
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Reviewed August 9, 2026 · Checked for accuracy and new information.