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

637 points · 217 comments · jasondavies

  1. croemer · · focus · HN ↗
    Is there a Jev-like model I can run on my Mac? Something like Ollama? Or what's the best way to play with it? Is there a cheap/free API service eg on OpenRouter?
    1. networked · · focus · HN ↗
      Ollaya (<a href="https:&#x2F;&#x2F;ollaya.dev" rel="nofollow">https:&#x2F;&#x2F;ollaya.dev) aspires to be Ollama for decision models. It can run Clef Flash, Laya, and other models. I&#x27;ve used it for local testing.

      You can list the decision models available on OpenRouter: <a href="https:&#x2F;&#x2F;openrouter.ai&#x2F;models?output_modalities=decisions" rel="nofollow">https:&#x2F;&#x2F;openrouter.ai&#x2F;models?output_modalities=decisions. There are currently nine.

      My AI harness uses Jev or a compatible model to approve shell commands that look safe without asking the user. (This is one security layer.) A quick benchmark (<a href="https:&#x2F;&#x2F;github.com&#x2F;dbohdan&#x2F;strument&#x2F;tree&#x2F;c2320ca142f77495ecdcadd3cd7a4c9b9445369f&#x2F;doc&#x2F;experiments&#x2F;2026-10-decision-models" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;dbohdan&#x2F;strument&#x2F;tree&#x2F;c2320ca142f77495ecd...) has shown that of five models on OpenRouter only Liquid D1 performs similar to Jev for this.

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