LlamaIndex alternatives
6 rag tools in the same lane as LlamaIndex, ranked by editorial score.
HA
Haystack
RAG · Multi-model
6.9
Open-source Python framework from deepset for building production RAG pipelines and LLM agents.
Freemium· Open-source free; deepset Enterprise Support and AI Platform via salesragagents
RB
RAGs by LlamaIndex
RAG · Multi-model (OpenAI, Anthropic, Replicate, HuggingFace)
7.0
Open-source Streamlit app that builds a custom RAG pipeline from a natural-language brief.
Free· Free, MIT-licensed; bring your own model/API keysnatural-language-rag-builderdocument-qa
LC
Langchain-Chatchat
RAG · Multi-model (GLM-4, Qwen2, Llama 3, etc. via Xinference/Ollama/LocalAI/FastChat)
7.4
Self-hostable RAG and agent framework that wires LangChain to any local open-source LLM and a knowledge base.
Free· Apache-2.0 open source; self-hosted, infra costs onlyprivate-knowledge-baseoffline-rag
QU
Quivr
RAG · Multi-model (OpenAI, Anthropic, Mistral, Gemma)
8.4
Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.
Free· Open source (pip install quivr-core); pay only for LLM/vector-store usagedocument-qacustom-knowledge-base
RA
RAGFlow
RAG · Multi-model
8.1
Open-source RAG engine with deep document parsing, hybrid search, and visual agent orchestration.
Freemium· Free tier; Starter $29/mo; Pro $129/mo; Enterprise customdocument-qaenterprise-search
AN
AnythingLLM
RAG · Multi-model
7.9
Open-source desktop and self-hosted app that turns your documents into a private chat-and-agent workspace.
Freemium· Basic: $50/monthly · Pro: $99/monthly · Enterprise: Contact Usdocument-chatprivate-rag