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Clef: Open-weight decision models, and new RL fine-tuning platform

637 points · 217 comments · jasondavies

  1. buildbuildbuild · · focus · HN ↗
    Open weights, not open source.

    The weights have permissive licensing, but the data and training pipeline are not published to reproduce them from their proprietary Qwen starting points. Weights are not "source."

    1. jMyles · · focus · HN ↗
      Came directly to comments hoping not to see this one.

      <sad trombone sound>

      Surely someone will soon do what the title of this post makes it seem like cloudfare did. Truly modular open source training and inference logic, along with a totally open corpus and weights, will eventually out-compete the closed ecosystem.

      1. ainch · · focus · HN ↗
        There are some groups doing it for LLMs - like the Allen Institute for AI's Olmo models and Eluether AI's Pythia.
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