📖 The AI Tool Bible

RAGFlow vs Weaviate

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
RAGFlow
RAG
Weaviate
RAG
TaglineOpen-source RAG engine with deep document parsing, hybrid search, and visual agent orchestration.Open-source vector DB with hybrid search and modules.
CategoryRAGRAG
PricingFreemium· Free tier; Starter $29/mo; Pro $129/mo; Enterprise customFreemium· Free open-source; cloud from $25/mo
ModelMulti-modelHosted vector DB (not an LLM)
Editorial score—8.4 / 10
Use cases
document-qaenterprise-searchagent-orchestrationknowledge-basehybrid-retrieval
self-hosted RAGhybrid search
Pros
  • Strong deep-document parsing for messy PDFs, tables, and scans
  • Hybrid vector + BM25 retrieval with citation-grounded answers
  • Fully open-source with active GitHub repo and self-host option
  • Visual agent builder plus MCP integration for tool-calling clients
  • Model-agnostic; works with most major LLM providers
  • Hybrid search built in
  • Self-host or cloud
  • Module ecosystem
  • GraphQL + REST APIs
Cons
  • Free tier blocks API access, pushing real use to paid plans
  • Self-hosting is non-trivial and resource-hungry
  • Documentation and UI lag behind the engine's capabilities
  • More ops than Pinecone if self-hosted
  • Smaller community
Websiteragflow.ioweaviate.io
Pick RAGFlow if
  • ✅ Strong deep-document parsing for messy PDFs, tables, and scans
  • ✅ Hybrid vector + BM25 retrieval with citation-grounded answers
  • ✅ Fully open-source with active GitHub repo and self-host option
  • ✅ Visual agent builder plus MCP integration for tool-calling clients
Pick Weaviate if
  • ✅ Hybrid search built in
  • ✅ Self-host or cloud
  • ✅ Module ecosystem
  • ✅ GraphQL + REST APIs
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