Vector Databases

Milvus

Open-source vector database built for enterprise-scale AI

Status
Generally available
Last checked
Checked · Oct 15, 2026
License
Open source
Pricing
Free tier
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What it is

Milvus is an open-source vector database designed to handle billions of embedding vectors efficiently. It's written in Go and C++, making it highly performant and suitable for large-scale applications requiring rapid retrieval of similar data points.

Milvus stands out as an open-source vector database that offers high performance and scalability, making it ideal for large-scale AI applications where efficient vector data management is critical.

When it fits — and when it doesn’t

A good fit for

  • Enterprise architects and large teams who need to handle billions of vectors with enterprise-grade reliability, RBAC, and Kubernetes-native deployment

  • Organizations with compliance requirements who need a self-hosted vector database with full data control

  • Teams building large-scale recommendation systems, image search, or multimodal AI applications

Look elsewhere if

  • Solo developers or small teams prototyping who need quick setup since Milvus has significant operational complexity

  • Startups who need a managed zero-ops solution without Kubernetes expertise

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support beyond Python and Go/C++

    Official SDKs are primarily in Python, with community-maintained TypeScript support

  2. 02

    Complex setup for non-Kubernetes environments

    Documentation assumes familiarity with Kubernetes and container orchestration tools

What it does well

  • Billion-scale vectors

  • Multiple index types (HNSW, IVF, DiskANN)

  • RBAC

  • Multi-tenancy

  • GPU acceleration

  • Kubernetes-native

  • Streaming ingestion

  • Zilliz Cloud managed option

  • LangChain and LlamaIndex integrations

Pricing

Free tier
Yes
Paid from
—
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up Milvus

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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