Is one fine-tuned small model per tenant a viable alternative to RAG?

alexrada · reddit · 2026-09-29

A developer is weighing a multi-tenant alternative to RAG: fine-tune a small model (SLM) per client so the model itself holds the client's data. He knows it's technically possible but wants real-world input on efficiency, when it's worth doing, and costs. Early-stage research question with no conclusions or numbers yet.

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