Thu, Aug 20 09:39 PM

Chapter 2 (Part 2) Knowledge Retrieval Engine

Dev.to•Thu, Aug 20, 2026, 12:31 PM•2 min read

2. 6 Why Retrieval Is Necessary A Large Language Model only knows what was available during its training. If the user asks about something that changed after the model was trained, the model may not know the latest information.

Source: [Dev.to](https://dev.to/black_shadow_team/chapter-2-part-2knowledge-retrieval-engine-2op7)

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