Milvus
Milvus is an open-source vector database built for scalable AI similarity search.
Updated April 2026
Overview
- Website
- milvus.io
- Segment
- Vector Databases
- Posture
- Purpose-Built Vector DB
Product overview
Milvus provides Milvus Lite, Standalone, and Distributed for self-hosted deployments, plus fully managed Zilliz Cloud with serverless and dedicated options.. It handles billions of vectors with features like hybrid search, metadata filtering, and GPU acceleration, used by NVIDIA, Microsoft, Bosch, and over 10,000 organizations. Distinct for its cloud-native distributed architecture separating storage/compute, high performance at scale, and Apache 2.0 licensed open-source core.).
Revenue model
Open-source is free (Apache 2.0); Zilliz Cloud: free tier (5GB storage, 2.5M vCUs/month), serverless $4/million vCUs + storage ~$0.03/GB/month, dedicated clusters from $99/month or $7-65/million vectors/month by type, enterprise custom..
Moat
Milvus's primary competitive moat is its open-source foundation combined with proprietary AI-powered optimization technology (AutoIndex and machine learning-driven tuning) that creates switching costs through community lock-in and performance superiority, while its flexible multi-index abstraction layer and heterogeneous computing architecture provide technical differentiation that competitors cannot easily replicate. This combination generates network effects through its 40K+ GitHub community, reduces customer switching incentives via superior performance (5-10× faster than competitors), and establishes scale advantages through billions of vectors managed across demanding production deployments.
Headwinds
Competition from cloud-native vector database providers with managed services may limit adoption of self-hosted solutions.