I don't see why this is seen as an either-or by people? Fine-tuning doesn't eliminate the need for RAG, and RAG doesn't obviate the need for fine-tuning either.

I don't see why this is seen as an either-or by people? Fine-tuning doesn't eliminate the need for RAG, and RAG doesn't obviate the need for fine-tuning either. Note that their guidance here is quite practical: > If prompting gets you 90% of the way there, then fine-tuning may not be worth the investment.