{"product_id":"9781718505209","title":"Post-Training","description":"By: Chris Von Csefalvay     \u003chr\u003e\u003cb\u003eCapable by default. Reliable by design.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eIf you're a practitioner who has watched a promising AI demo fail to survive contact with production, where prompting hits its ceiling, retrieval isn't enough, and the model still can't be trusted with your domain, post-training is what you've been missing.\u003cbr\u003e\u003cbr\u003e\u003ci\u003ePost-Training\u003c\/i\u003e is a practical guide to turning foundation models into production-ready systems — reshaping behavior, aligning to your values, and deploying with confidence. Each technique is taught concept-first, then implementation-through-code, so you understand not just what to run, but what you're actually changing inside the model.\u003cbr\u003e\u003cbr\u003eYou'll leave with the skills to:\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFine-tune models on curated datasets using supervised fine-tuning, LoRA, and QLoRA without destroying the base model's general capabilities\u003c\/li\u003e\n\u003cli\u003eApply reinforcement learning from human feedback and modern preference optimization methods, including GRPO, ORPO, and beyond, to shape model behavior\u003c\/li\u003e\n\u003cli\u003eEvaluate models rigorously: design benchmarks, detect regression, and measure quality claims that survive scrutiny\u003c\/li\u003e\n\u003cli\u003eAdapt models to specialized domains, from clinical language to legal text, turning general capability into a defensible competitive advantage\u003c\/li\u003e\n\u003cli\u003eTrain agentic models that take sequences of actions reliably, not just models that talk about taking actions\u003c\/li\u003e\n\u003cli\u003eQuantize and compress fine-tuned models for deployment without sacrificing the gains you trained for\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003ePost-training is where models stop being impressive and start being useful. This book teaches you to do it right.","brand":"No Starch Press","offers":[{"title":"US - Paperback \/ softback","offer_id":49019832008931,"sku":"DTRPRUS-9781718505209","price":512.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1778\/4925\/files\/9781718505209.jpg?v=1779884058","url":"https:\/\/buybookbook.com\/zh\/products\/9781718505209","provider":"買書書 BuyBookBook","version":"1.0","type":"link"}