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A model as the judge: build preference pairs with an API, then train with DPO on a rented GPU

Short answer: write a short list of principles and a set of questions, have an API model write two answers to each question, have it pick the answer that follows your principles better (twice, once in each order), keep only the pairs where both picks agree, and train a LoRA adapter on those chosen…

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  1. 2026-11-01 03:10 · DEV Community — Machine Learning
    A model as the judge: build preference pairs with an API, then train with DPO on a rented GPU

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