Weaviate
Partial infoOpen-source vector database with built-in hybrid search and modules.
Weaviate is an open-source vector database (BSD-3) with native hybrid search, a modular embedding/generative pipeline, and a managed cloud offering. It supports GraphQL/REST APIs and vectorizer modules that embed data on ingest.
License
Open source (BSD-3-Clause)
Deployment
Managed, Self-hosted
Pricing
Open-source and free to self-host; Weaviate Cloud is usage-based.
SDKs / languages
Python, TypeScript, Go, Java
Founded
2019
Strengths
- Native hybrid search
- Open-source with managed option
- Built-in vectorizer modules
Limitations
- Self-hosting adds ops overhead
- Module configuration has a learning curve
Alternatives
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Developer-friendly open-source embedding database.
LanceDB
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MongoDB Atlas Vector Search
Vector search built into MongoDB Atlas documents.
pgvector
Vector similarity search as a Postgres extension.
Pinecone
Fully managed, serverless vector database.
Facts verified 19 July 2026. Neutral summary, not an endorsement; verify current details with the vendor.