Chunking Strategies for RAG

Optimize document splitting for retrieval accuracy and context preservation.

When to Use

• Designing a new RAG pipeline
• Retrieval quality is poor due to chunk boundaries
• Documents have mixed content types (code, tables, prose)
• Need to balance context window limits with retrieval precision

Chunking Methods

1. Fixed-Size Chunking

from langchain.text_splitter import CharacterTextSplitter

splitter = CharacterTextSplitter(