RAGs by LlamaIndex alternatives
6 rag tools in the same lane as RAGs by LlamaIndex, ranked by editorial score.
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
UL
UltraRAG
RAG · Multi-model (MiniCPM-Embedding-Light, AgentCPM-Report, BYO LLM)
7.1
Low-code, YAML-driven RAG pipeline orchestrator with a visual UI for building and demoing retrieval systems.
Free· Open source; self-hostedrag-pipelinesknowledge-base-qa
LL
LlamaIndex
FeaturedRAG · BYO (Claude / GPT / open)
8.7
Data framework for connecting LLMs to your data.
Freemium· Free open-source; LlamaCloud paidRAGdata ingestion
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
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