What is Weaviate?
Weaviate is an open-source vector database with hybrid search, built-in vectorisation modules and multi-tenancy, available self-hosted or as a managed cloud.
Best for: AI engineers.
Key features
- Hybrid search
- Vectorizer modules
- Multi-tenancy
- Managed cloud
- Query agent
Pros and cons
Pros
- Open-source and self-hostable
- Flexible module system
Cons
- Operational overhead when self-hosting
- More complex than simpler stores
Weaviate pricing
| Pricing model | Open source |
|---|---|
| Starting price | Free |
| Platforms | API, Web |
| Launched | 2019 |
Prices change often. Check the Weaviate website for current plans.
Our verdict
Weaviate scores 8.0/10 in our review. Its biggest strength: open-source and self-hostable. The main drawback: operational overhead when self-hosting. If it isn't the right fit, OpenAI API is the closest alternative.
Frequently asked questions
What is Weaviate?
Weaviate is an open-source vector database with hybrid search, built-in vectorisation modules and multi-tenancy, available self-hosted or as a managed cloud.
Is Weaviate free?
Yes. Weaviate is open source and free to use.
What are the best Weaviate alternatives?
Popular alternatives include OpenAI API, Anthropic API, Google Gemini API, Hugging Face.
Who is Weaviate best for?
Weaviate is best for ai engineers.