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Milvus / Zilliz Cloud

vector databasesBest for: Enterprise AI teams with billion-scale vector workloads needing open-source control
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Milvus is an open-source vector database designed for billion-scale similarity search, maintained by Zilliz. Zilliz Cloud is the managed version. Self-hosted for free; Zilliz Cloud from $0.10/CU/hour. Built for production-scale AI applications with high QPS requirements.

★★★★4.4G2
20175k+Free plan
Expert Take

Milvus and Zilliz Cloud are the right choices when you're operating at billion-vector scale or need high-QPS production search with strict SLAs. At sub-100M vector scale, Qdrant or Pinecone Serverless are simpler to operate and maintain - save Milvus's complexity for when you actually need it.

· Expert analysis by Oleh Kem, Founder, ComparEdge

Quick Verdict

Strong vector databases choice for Enterprise AI teams with billion-scale vector workloads needing open-source control - 4.4/5 rating, 16 features, free to start.

4.4G2 Rating
Best for: Enterprise AI teams with billion-scale vector workloads needing open-source control From Pay-as-you-go

Top Pros

  • CNCF project — battle-tested for billion-scale workloads
  • GPU acceleration and DiskANN for cost-efficient large-scale search
  • Distributed architecture with independent storage/compute scaling

Watch Out For

  • Operational complexity — requires Kubernetes expertise for self-hosted
  • Overkill for small-scale RAG applications

Frequently Asked Questions

Yes, Milvus / Zilliz Cloud offers a free plan.
Reviewed by Oleh KemExpert verified·Last updated May 13, 2026·Our methodology