| Website | weaviate.io |
| Category | Vector Database / AI |
| License | BSD-3 (open source) |
| Pricing | Free (self-hosted), Cloud from $25/mo |
Overview
Weaviate is an open-source vector database with built-in vectorization. Hybrid search, generative search, multi-tenancy. Built for AI-native applications.
Pros
- BSD-3 license
- Built-in vectorization modules
- Hybrid search (vector + keyword)
- Generative search
- Multi-tenancy
- GraphQL API
Cons
- Resource-intensive for self-hosting
- Cloud pricing at scale
- GraphQL complexity
- Module management
- Breaking changes between versions
Verdict
Weaviate goes beyond vector storage to become an AI-native database. Built-in vectorization means you don't need a separate embedding service, hybrid search combines semantic and keyword matching, and generative search lets you query and generate in one call. For AI applications where the vector database needs to do more than store and retrieve, Weaviate provides the intelligence layer.