CourseRAG · Module 3: Chunking · part 15 of 82
Part 15 · Module 3: Chunking

Topic 3: Sizing and Overlap

6 min read·21 Sept 2026

3.1 Choosing Chunk Size: Embedding Limits and the Generator's Budget

Intuition: A chunk has to fit through two doors: the embedding model's input limit, and the LLM's context budget once you retrieve several chunks.

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