Uploaded March 2025 | Updated September 2026, 3 weeks ago

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Why has data deduplication become important? This video breaks down how training models like DeepSeek’s 67B shifted from single-epoch training to multi-epoch efficiency by removing near-duplicates and boilerplate data. Learn why techniques like MinHash are critical for optimizing datasets, how deduplication boosts token efficiency, and why the AI community now widely accepts this practice.

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