Ask HN: When do you choose RAG over Fine-Tuning? A Hacker News user, Harish_0089, asks the community when to choose retrieval-augmented generation (RAG) over fine-tuning for large language models, sparking a discussion on the trade-offs between the two approaches. The post, submitted 8 minutes ago, seeks practical guidance from developers and AI practitioners on selecting the appropriate method based on use case, data availability, and cost. Hacker News new | past | comments | ask | show | jobs | submit login Ask HN: When do you choose RAG over Fine-Tuning? 1 point by Harish 0089 8 minutes ago | hide | past | favorite | discuss help Consider applying for YC's Fall 2026 batch Applications are open till July 27. Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: