Open Source Alternatives to Zilliz Cloud

A vector database platform that provides a managed Vector Lakebase powered by Milvus for enterprise AI applications. It unifies real-time vector search, lake-scale discovery, and AI data operations, supporting hybrid retrieval with vector, full-text, and JSON search. The platform is designed for high-scale environments, handling over 100 billion entities and 10,000 queries per second with consistent latency. It offers tiered storage architectures, on-demand compute to reduce costs, and the ability to operate directly on S3 data without ETL. Deployment options include a fully managed SaaS environment and a Bring Your Own Cloud model where data remains in a user's VPC. The system is built to support multi-region deployment with replication and failover for high-availability access worldwide.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Zilliz Cloud give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to Zilliz Cloud. The most popular is Qdrant. It uses the Apache-2.0 license and ships an official Docker image.