Editorial note: Product capabilities, licenses, cloud credits, hosting costs, and plan limits change frequently. Verify current details directly before making a purchasing or architecture decision.
Overview
Weaviate is an open-source vector database that combines vector similarity search, keyword filtering, hybrid search, generative integrations, and cloud or self-hosted deployment options.
Best for
Teams that want flexible vector and hybrid search with both managed-cloud and self-hosted deployment options
Key features
- Vector search
- Hybrid keyword and vector search
- Generative integrations
- Multimodal search
- Managed and self-hosted deployment
- GraphQL and SDK access
Pricing
Weaviate is open source for self-hosting and offers paid cloud services. Cloud costs depend on deployment tier, vector dimensions, storage, backups, and support. Verify current pricing directly.
Check current official pricing
Pros
- Open-source option
- Strong hybrid search
- Flexible deployment
- Rich feature set
Cons and cautions
- Operational complexity when self-hosted
- Cloud minimums may be significant
- Schema design requires planning
- Resource tuning can be technical
Frequently asked questions
Is Weaviate open source?
Yes. Weaviate offers an open-source database as well as managed cloud services.
What is hybrid search?
Hybrid search combines vector similarity with keyword-based retrieval.
Can Weaviate be self-hosted?
Yes. It supports self-hosted and managed-cloud deployments.
Before you choose
- Verify licensing and hosted-service terms
- Estimate model, storage, execution, and infrastructure costs
- Test the tool on a representative workload
- Plan monitoring, security, backups, and failure handling
- Compare at least one relevant alternative
Affiliate disclosure: AIVaultHQ may earn a commission from qualifying purchases at no additional cost to the buyer.