Milvus vs Weaviate

Compare data AI Tools

38% Similar — based on 5 shared tags
Milvus

Open-source vector database for similarity search and retrieval that scales to billions of embeddings with high availability cloud options and an Apache-2.0 license.

PricingFree self-hosted / Zilliz Cloud from $99 per month
Categorydata
DifficultyBeginner
TypeWeb App
StatusActive
Weaviate

Open source vector database with hybrid search, modular retrieval and managed cloud options for production RAG and semantic apps at any scale.

PricingFree trial / From $45 per month
Categorydata
DifficultyBeginner
TypeWeb App
StatusActive

Feature Tags Comparison

Only in Milvus
similaritysearchopen-sourcescalable
Shared
vector-dbragdataanalyticsanalysis
Only in Weaviate
semantic-searchhybridretrievalcloud

Key Features

Milvus
  • Apache 2.0 licensed core enabling free self hosted deployments that fit security requirements and cost control for startups and enterprises
  • Multiple index types including IVF HNSW and DiskANN chosen per workload to balance recall latency memory and storage under changing traffic
  • Hybrid search combining vector similarity with scalar filters and metadata making retrieval precise and useful for real application constraints
  • Horizontal scaling with partitions replicas and GPU acceleration options so datasets can grow to tens of billions of vectors reliably
  • Streaming and batch ingestion with durability and background compaction keeping write heavy workloads steady under constant updates
  • SDKs for Python Java and Go plus REST and integrations with LangChain and LlamaIndex to speed up app builds and experiments
Weaviate
  • Schema aware vector store with filters hybrid BM25 and metadata
  • Managed cloud with shared clusters and HA plus backups
  • Hosted embeddings add on for simple end to end setup
  • Query Agent to convert natural language into operations
  • SDKs for Python TypeScript Go and a clean HTTP API
  • Sharding replication and snapshots for resilience at scale

Use Cases

Milvus
  • Build RAG systems that answer with context by retrieving citations from private corpora with tight latency SLAs
  • Power visual similarity search across large image catalogs for e commerce discovery and deduplication
  • Run recommendation candidates by embedding user and item signals then filtering by metadata for relevance
  • Detect anomalies by tracking vector distances and neighbors across sensor or event streams with streaming ingestion
  • Index fine tuned embeddings from domain models to lift retrieval quality in specialized tasks
  • Prototype quickly with local deployment then move to managed cloud when traffic and uptime demands rise
Weaviate
  • Power RAG backends that mix semantic and keyword filters
  • Search product catalogs with facets and relevance controls
  • Index documents and images for unified multimodal retrieval
  • Prototype quickly in OSS then migrate to managed cloud
  • Serve low latency queries for chat memory or agents
  • Automate backups and snapshots for compliance

Perfect For

Milvus

ML engineers platform teams data scientists and search engineers building high scale retrieval systems that demand open source control or managed SLAs

Weaviate

ML engineers platform teams data engineers and startups that need reliable vector search with OSS flexibility and managed cloud simplicity

Capabilities

Milvus
Indexes and Partitions
Professional
Similarity and Filters
Professional
Batch and Streaming
Intermediate
Observability and Cloud
Intermediate
Weaviate
Schema and Vectors
Professional
Hybrid and Filters
Professional
Managed Cloud
Intermediate
SDKs and API
Intermediate

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