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Data Infrastructure

Weaviate

Open source vector database with hybrid search and cloud service

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About Weaviate

Weaviate develops an open source vector database that combines vector and keyword search with built-in modules for embeddings and generative AI. It is offered as Weaviate Cloud, an enterprise cloud option and self-hosted software. Developers use it for retrieval-augmented generation, semantic search and agent memory.

Common use cases

  • RAG applications
  • Semantic search
  • Recommendations
  • Agent memory

Social listening

What people are saying about Weaviate

G2 reviewers value Weaviate's hybrid search, documentation and quick onboarding, and buyers typically plan for advanced configuration and cost management on large datasets.

What stands out

  • Hybrid search and flexible AI-tool integrations are viewed as intuitive.
  • Documentation is described as clear and onboarding as straightforward, which makes prototyping quick.
  • Reviewers value the open-source edition and see managed cloud pricing as competitive; scaling and multi-tenancy are handled well.
  • Support is described as responsive and the community as active.

Things to consider

  • New users typically plan for onboarding time on advanced configuration.
  • Worth setting up spend management as datasets grow.
  • Worth confirming monitoring options and support response times on complex questions.

Often compared with: Pinecone, Qdrant

Sources (1)

Themes summarized from public reviews, community discussion and press coverage as of November 2026. They reflect public discussion, not a rating or an endorsement by AI Connect.

Products and services

Weaviate Database

Open source vector database.

Weaviate Cloud

Managed service.

Weaviate Agents

Agentic tools for querying and transforming data.

Pricing and editions. Free, pay-as-you-go Flex and contract Premium cloud tiers plus usage-based add-ons; also self-hostable.

Key features

  • Vector search
  • Hybrid search
  • Multi-tenancy
  • Built-in embeddings
  • Compression options
  • Generative modules

Integrations

  • OpenAI
  • Cohere
  • Hugging Face
  • LangChain
  • LlamaIndex
  • AWS
  • Google Cloud

Weaviate alternatives

FAQs

Is it open source?

Yes, with managed and enterprise offerings.

Does it support hybrid search?

Yes, combining vector and keyword retrieval.

Where can it run?

Cloud, hybrid or self-hosted.

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