📖 The AI Tool Bible

Vespa vs Weaviate

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

 
Vespa
RAG
Weaviate
RAG
TaglineYahoo's open-source search engine with vector + sparse retrieval.Open-source vector DB with hybrid search and modules.
CategoryRAGRAG
PricingFreemium· Free open-source; Vespa Cloud paidFreemium· Free open-source; cloud from $25/mo
ModelHosted search engine (not an LLM)Hosted vector DB (not an LLM)
Editorial score8.2 / 108.4 / 10
Use cases
large-scale searchrankinghybrid retrieval
self-hosted RAGhybrid search
Pros
  • Battle-tested at huge scale
  • Mixed retrieval out of the box
  • Open source
  • Built-in ML ranking support
  • Hybrid search built in
  • Self-host or cloud
  • Module ecosystem
  • GraphQL + REST APIs
Cons
  • Steep learning curve
  • Heavy to operate
  • More ops than Pinecone if self-hosted
  • Smaller community
Websitevespa.aiweaviate.io
Pick Vespa if
  • Battle-tested at huge scale
  • Mixed retrieval out of the box
  • Open source
  • Built-in ML ranking support
Pick Weaviate if
  • Hybrid search built in
  • Self-host or cloud
  • Module ecosystem
  • GraphQL + REST APIs