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Category
Select 2–3 tools to compare
Chroma
MilvusHybrid Search
Metadata Filtering
Multi Tenancy
Managed Embeddings
Mcp Server
Serverless
Pricing
Free (self-hosted, Apache 2.0)Starter ($0/mo + usage)Team ($250/mo + usage)Custom Enterprise
Free (self-hosted, Apache 2.0)Free Zilliz Cloud Serverless tier$126/GB/mo Standard Zilliz Cloud Dedicated$197/mo EnterpriseBusiness Critical
Open Source
Self-Hosted
SDK Languages
pythonjavascripttypescriptruby
pythonjavascripttypescriptgojavacsharpruby
Frameworks
langchainllamaindexvercel-aihaystackdspy
langchainllamaindexvercel-aihaystackdspy
Compliance
soc2gdpr
soc2gdprhipaaiso27001
Best For
AI-native developer experience — the fastest path from `pip install` to a working RAG prototype, with a managed cloud when you're ready
Billion-scale vector workloads with the widest selection of ANN index types — HNSW, IVF, DiskANN, SCANN, GPU indexes
Limitations
Younger than Pinecone or Weaviate at scale; fewer index tuning knobs (HNSW only); compliance certifications are still maturing
Self-hosted deployment is operationally complex (depends on etcd, MinIO, Pulsar/Kafka); no first-party MCP server yet; managed offering is through Zilliz, not Milvus directly
Supported Not supported Unverified