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Category
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Milvus
WeaviateHybrid Search
Metadata Filtering
Multi Tenancy
Managed Embeddings
Mcp Server
Serverless
Pricing
Free (self-hosted, Apache 2.0)Free Zilliz Cloud Serverless tier$126/GB/mo Standard Zilliz Cloud Dedicated$197/mo EnterpriseBusiness Critical
Free (self-hosted, open-source)Free Hosted$45/mo Flex$280/mo Plus$400/mo Premium
Open Source
Self-Hosted
SDK Languages
pythonjavascripttypescriptgojavacsharpruby
pythonjavascripttypescriptgojava
Frameworks
langchainllamaindexvercel-aihaystackdspy
langchainllamaindexvercel-aihaystackdspy
Compliance
soc2gdprhipaaiso27001
soc2gdprhipaa
Best For
Billion-scale vector workloads with the widest selection of ANN index types — HNSW, IVF, DiskANN, SCANN, GPU indexes
Hybrid RAG with built-in vectorizer modules, generative search, and strong multi-tenancy — runs anywhere from laptop to managed cloud
Limitations
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
Resource-hungry compared to Qdrant or Chroma; module configuration has a learning curve; some advanced replication features are cloud-only
Supported Not supported Unverified