The rule of thumb: use RAG when the answer lives in your documents. Use an agent when the answer requires action on other systems.
Details
- Publisher
- ByteByteGo
- Domain
- Engineering & Architecture
- Category
- Memory, RAG & Knowledge
- Type Group
- Communities & Media
- Type
- Newsletter
- Best For
- Developer
- Skill Level
- Beginner
- Access
- Free
- Topic
- When to use RAG versus agentic systems
- Published
- May 23, 2026
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