The Craft of Post-Training
A Practical Guide for AI Engineers and Developers
$108.65
- Paperback
416 pages
- Release Date
22 September 2026
Summary
Capable by default. Reliable by design.
A pre-trained model has read most of the internet—and can be trusted with almost none of it. Post-training is the work that changes that: where you take a raw, general model and shape it into something that behaves, follows instructions, refuses what it shouldn’t do, and handles the specific job you need. It’s the human hand on the machine, and the part almost no one explains.
Chris von Csefalvay has spent his career building production …
Book Details
| ISBN-13: | 9781718505209 |
|---|---|
| ISBN-10: | 1718505205 |
| Author: | Chris Von Csefalvay |
| Publisher: | No Starch Press,US |
| Imprint: | No Starch Press,US |
| Format: | Paperback |
| Number of Pages: | 416 |
| Release Date: | 22 September 2026 |
| Weight: | 369g |
| Dimensions: | 178mm x 235mm |
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Chris Von Csefalvay
Chris von Csefalvay is a Principal at HCLTech’s AI Practice, where he leads post-training research and clinical intelligence initiatives. He has previously held senior data science leadership positions within major enterprises, and has designed language models for a wide range of applications, from pharmacovigilance to the study of social dynamics.
Chris holds degrees from Oxford and Cardiff universities, and is a Fellow of the Royal Society for Public Health and a Senior Member of the IEEE.
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