Weaviate
7.1#4 in vector databases$45 usage-basedFree planWebAPILinuxSelf-hosted
VisitWeaviate vs Zilliz Cloud
Zilliz Cloud
6.4#13 in vector databasesFree planFree planWebAPI
VisitWhat both publish
| Fact | Weaviate | Zilliz Cloud |
|---|---|---|
| Founded | 2019 | 2017 |
| Integrations | The integration ecosystem lists cloud and model integrations including AWS, Google Cloud, Azure, OpenAI, Anthropic, Cohere, Hugging Face, and Ollama. | Documented integrations include Prometheus, Datadog, AWS S3, Azure Blob Storage, Google Cloud Storage, and external model providers. |
| Product | Weaviate is an open-source AI vector database for storing, indexing, and searching high-dimensional vectors, used as a foundation for search, RAG, and agents. | Zilliz Cloud is a fully managed Milvus service for deploying and scaling vector search applications. |
| Search | The database supports hybrid search that combines vector and BM25 keyword search, along with semantic and keyword search. | The service supports approximate nearest neighbor vector search, filtered search, hybrid search, and full-text search. |
| Security | The security page states that Weaviate Cloud encrypts data in transit and at rest, supports role-based access controls, and provides automated daily backups. | Zilliz Cloud documents TLS 1.2 or higher in transit and AES-256 encryption at rest. |
| Support | Free includes Basic Support; Flex lists Standard Support with next-business-day Sev 1 response, while Premium lists enterprise support as fast as 1-hour Sev 1. | Users can contact Zilliz Support to request access to features in private preview. |
Weaviate plans
- FreeFree
- Flex$45 a month
- PremiumPriced on request
Zilliz Cloud plans
- Free clusterFree
- Business CriticalPriced on request
- DedicatedPriced on request
- ServerlessPriced on request
Pick Weaviate if…
Weaviate is aimed at developers building search, RAG, or agent infrastructure. Its deployment options may suit teams ranging from startups to enterprises that want hosted or self-managed operation.
Pick Zilliz Cloud if…
The Standard plan is described as suited to prototypes and testing. Enterprise is aimed at production applications, while Business Critical is described for healthcare, finance, and mission-critical systems.