AI App Development
Published on Sep 28, 2026
How to Train an AI Model: A Practical Guide for Builders
Training an AI model starts with picking the right approach: prompting, RAG, fine-tuning, or from scratch. Most teams need fine-tuning, not a foundation model. This guide covers every step, the real costs, the tools, and how to turn a working model into a product.
By Dhruv Gandhi













