LlamaIndex
A data framework for LLM apps, focused on ingesting, indexing, and querying documents for retrieval-augmented generation.
LLM & Agent Frameworks Intermediate
Category
LLM & Agent Frameworks
Difficulty
Intermediate
When to use
You're building a RAG system over a corpus of documents and want ready-made loaders, indexers, and query engines.
When not to use
Your use case is a single-call LLM feature with no retrieval.
Alternatives
LangChain Haystack Custom retrieval + SDK