📖 The AI Tool Bible

PrivateGPT vs Weaviate

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

 
PrivateGPT
RAG
Weaviate
RAG
TaglineProduction-ready, air-gapped RAG framework for querying your documents with local LLMs.Open-source vector DB with hybrid search and modules.
CategoryRAGRAG
PricingFreemium· OSS free; Zylon enterprise contract (contact sales)Freemium· Free open-source; cloud from $25/mo
ModelMulti-model (BYO local LLM)Hosted vector DB (not an LLM)
Editorial score—8.4 / 10
Use cases
private-ragchat-with-documentson-premises-llmair-gapped-aienterprise-knowledge-base
self-hosted RAGhybrid search
Pros
  • Fully local and air-gapped; data never leaves your infrastructure
  • OpenAI-compatible API makes integration straightforward
  • Massive OSS community (57k+ stars) with proven deployments
  • Model-agnostic across llama.cpp, Ollama, vLLM, and Qdrant
  • Hybrid search built in
  • Self-host or cloud
  • Module ecosystem
  • GraphQL + REST APIs
Cons
  • No public pricing for the enterprise Zylon platform
  • OSS repo cadence has slowed since the commercial pivot
  • Operating at scale still requires meaningful DevOps effort
  • More ops than Pinecone if self-hosted
  • Smaller community
Websitewww.zylon.aiweaviate.io
Pick PrivateGPT if
  • ✅ Fully local and air-gapped; data never leaves your infrastructure
  • ✅ OpenAI-compatible API makes integration straightforward
  • ✅ Massive OSS community (57k+ stars) with proven deployments
  • ✅ Model-agnostic across llama.cpp, Ollama, vLLM, and Qdrant
Pick Weaviate if
  • ✅ Hybrid search built in
  • ✅ Self-host or cloud
  • ✅ Module ecosystem
  • ✅ GraphQL + REST APIs
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