Side-question but relevant (wanted to do an Ask HN about it for a while). I have a relatively large corpus (~10k pages), and would like to augment traditional

Side-question but relevant (wanted to do an Ask HN about it for a while). I have a relatively large corpus (~10k pages), and would like to augment traditional keyword search with AI. Eg: write my question and get an LLM answer *backed-up* by search and linking to the part of the corpus used. What are my options here? Local option would be best.