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Jev in 25 Lines of Python

691 points · 212 comments · bashbjorn

  1. bruhhhhhh · · focus · HN ↗
    I am hearing about Jev for the first time here so no idea about the hype. So their(Jev) is that the thing is faster at classification than a frontier model? Because the whole type safe aspect is already fully solvable with structured output. But their example is classification but that would also be possible and faster with a classic BERT model. So their pitch is a task specific smaller model or am I completely misunderstanding the whole thing?
    1. garciasn · · focus · HN ↗
      I am in no way trying to sell Jev here as some panacea of the modern world; I'm only responding to your questions:

      > But their example is classification but that would also be possible and faster with a classic BERT model.

      With BERT, you need a large, labeled dataset, and you have to train/fine-tune the model. Jev is pitched as a zero- or 'few-shot' model. You define the schema in code, give it instructions, and it works without a traditional training pipeline.

      > So their pitch is a task specific smaller model or am I completely misunderstanding the whole thing?

      Yup; that about sums it up: it is more or less an optimized, task-specific small model with the flexible understanding of a traditional LLM.

      1. elgertam · · focus · HN ↗
        > With BERT, you need a large, labeled dataset, and you have to train/fine-tune the model.

        BERT requires a huge corpus, but it isn't labeled. BERT is trained through self-supervised learning using mask tokens and next sentence prediction. Fine-tuning is useful for specific tasks, but isn't absolutely essential for the model to function.

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