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❓ Question
RAG or fine-tuning for a support assistant in 2026?
Support assistant over ~3000 help articles. We're torn between RAG and fine-tuning. Tight budget. What actually holds up in production in 2026?
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RAG, no question, for this case. Fine-tuning freezes the knowledge (your articles change) and is expensive to retrain. With 3000 articles: clean chunking, embeddings, a reranker, and cite the source in the answer (key for trust + SEO). Fine-tuning only makes sense for TONE or a strict output format, not for knowledge that moves.
Sourcesbenchmarks RAG vs FT internes
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