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Four Levels of Using an LLM: From Chat to Agents

This story is from 2026-09-21. It is preserved in the archive; the latest stories are on the live feed.

I have built several different kinds of LLM systems: a retrieval system that answers questions over internal documents, a pipeline that turns text into 3D models, and a deep research tool I use myself. Same idea — "let the model do the work" — but all three ended up built differently. Two questions…

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  1. 2026-09-21 04:53 · DEV Community — AI
    Four Levels of Using an LLM: From Chat to Agents

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