Weaviate vs Zilliz Cloud
Weaviate: Open-source AI-native vector database with hybrid search, modules for embeddings and multi-tenancy. Zilliz Cloud: Fully managed Milvus from its creators, with serverless, dedicated and BYOC deployments.
key differences
- Licensing: Weaviate is open source (permissive) (BSD-3-Clause (core); enterprise features under the Weaviate License); Zilliz Cloud is proprietary (Proprietary SaaS).
- Zilliz Cloud is built for larger datasets (Multi-PB) than Weaviate (≤ 1 PB).
- Only Weaviate has geospatial.
- Only Zilliz Cloud has ttl / expiry, encryption at rest, online schema changes, streaming ingest.
- Zilliz Cloud has a serverless option; Weaviate does not.
choose weaviate for
- +RAG over documents with hybrid retrieval
- +Multi-tenant SaaS semantic search
- +Product and content recommendation
- +Agent memory stores
best at · Vector search, RAG, Search
choose zilliz-cloud for
- +Production RAG without running Milvus
- +Large-scale semantic and image search
- +Multi-tenant AI SaaS backends
best at · Vector search, RAG, Search
Weaviate vs Zilliz Cloud: FAQ
What is the difference between Weaviate and Zilliz Cloud?
Weaviate: Open-source AI-native vector database with hybrid search, modules for embeddings and multi-tenancy. Zilliz Cloud: Fully managed Milvus from its creators, with serverless, dedicated and BYOC deployments. Licensing: Weaviate is open source (permissive) (BSD-3-Clause (core); enterprise features under the Weaviate License); Zilliz Cloud is proprietary (Proprietary SaaS). Zilliz Cloud is built for larger datasets (Multi-PB) than Weaviate (≤ 1 PB). Only Weaviate has geospatial.
When should I choose Weaviate over Zilliz Cloud?
Choose Weaviate for RAG over documents with hybrid retrieval; multi-tenant SaaS semantic search; and product and content recommendation. Choose Zilliz Cloud for production RAG without running Milvus; large-scale semantic and image search; and multi-tenant AI SaaS backends.
Is Weaviate or Zilliz Cloud more popular?
Weaviate ranks #65 on the WhichDB Score (33.4/100) and Zilliz Cloud ranks #656 (0.4/100). Popularity is not fit: check the requirements that matter for your project.
Are Weaviate and Zilliz Cloud open source?
Yes. Weaviate is open source. License: BSD-3-Clause (core); enterprise features under the Weaviate License. No. Zilliz Cloud is proprietary, closed-source software.