Milvus

Open-source distributed vector database for very large collections, with a managed version as Zilliz Cloud.

Works with AI agents:llms.txt

Ask your AI about this, with this page as the source:ChatGPT ↗Claude ↗Perplexity ↗

Where it fits

Vector Database · Open-source vector storeVery large collections — hundreds of millions of vectors and up — on a distributed open-source database, or managed as Zilliz Cloud.Trade-off: The distributed deployment has many moving parts; for small apps it's more system than you need.

How Milvus itself is built

1 tools, from its own code, website and Product Hunt page.

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Who uses it

No maker's live product on record yet, and 41 open-source projects that declare it in their code.

Declared in code 41How evidence is collected →

We haven't found a maker's live product that uses Milvus yet — only the open-source projects below, which declare it in their code.

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beeai-framework Build production-ready AI agents in both Python and Typescript.Vector DatabaseIn its code · source ↗

bisheng BISHENG is an open LLM devops platform for next generation Enterprise AI applications. P…Vector DatabaseIn its code · source ↗

camel 🐫 CAMEL: The first and the best multi-agent framework. Finding the Scaling Law of Agent…Vector DatabaseIn its code · source ↗

GenerativeAIExamples Generative AI reference workflows optimized for accelerated infrastructure and microserv…Vector DatabaseIn its code · source ↗

MemOS Self-evolving memory OS for LLM & AI Agents: ultra-persistent memory, hybrid-retrieval,…Vector DatabaseIn its code · source ↗

openllmetry Open-source observability for your GenAI or LLM application, based on OpenTelemetryVector DatabaseIn its code · source ↗

public The database IDE for VS Code, Cursor, and Windsurf. 80+ databases: Postgres, MySQL, SQL…Vector DatabaseIn its code · source ↗

puppyone-cloud Context drive for your AI agentsVector DatabaseIn its code · source ↗

rocketride-server High-performance AI pipeline engine with a C++ core and 50+ Python-extensible nodes. Bui…Vector DatabaseIn its code · source ↗

semantica Graph-Native Infrastructure for Context and Accountable AI SystemsVector DatabaseIn its code · source ↗

FastGPT FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of…Vector DatabaseIn its code · source ↗

LightRAG [EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented GenerationVector DatabaseIn its code · source ↗

open-webui-developer-toolkit Pipes • Filters • Tools for Open WebUIVector DatabaseIn its code · source ↗

Paper2Video Automatic Video Generation from Scientific PapersVector DatabaseIn its code · source ↗

FinSynth 基于Open WebUI框架的金融大模型交互平台——支持多模态非结构化数据处理Vector DatabaseIn its code · source ↗

LangChain-GPT-Researcher GPT-Researcher as a LangChain tool to be used in Agents and ChainsVector DatabaseIn its code · source ↗

Yuxi 可私有部署的多租户知识智能体平台：统一 RAG、知识图谱、多智能体、MCP/Skills、沙盒与权限管理。Yuxi = Cloud Agents + Knowledge RAG…Vector DatabaseIn its code · source ↗

Wegent Plan, build, and deliver with an open-source, self-hostable AI workspace for coding, col…Vector DatabaseIn its code · source ↗

SmythOS Platform for building and deploying AI agents, visually or by describing them to an assi…Vector DatabaseIn its code · source ↗

alfred Personal agentic infrastructure. Self-hosted. Always on.Vector DatabaseIn its code · source ↗

LangBot Production-grade platform for building agentic IM bots - 生产级多平台智能机器人开发平台/ Agent、知识库编排、插件…Vector DatabaseIn its code · source ↗

gpts-works A Third-party GPTs storeVector DatabaseIn its code · source ↗

dynamiq Dynamiq is an orchestration framework for agentic AI and LLM applicationsVector DatabaseIn its code · source ↗

Open source: a project that declares Milvus as a dependency in its public code — verifiable, but not necessarily a live product.

Reliability and open issues

Most wanted on GitHub

[Feature]: Modify the collection schema once collection is created and is not empty👍 15 · opened Nov 2022 · active Sep 2026

Open on 2026-10-04 in milvus-io/milvus, with activity in the last year — issues and feature requests by 👍.

Alternatives to Milvus

All alternatives by situation →

pgvectorApps already on Postgres that want vector search in the same database, joined with normal tables.Open sourceFree tier

ChromaPrototyping RAG on your laptop with a pip or npm install and no server to run.Open sourceFree tier13 makers · vector database

PineconeA fully hosted index with nothing to operate, sized by usage.Free tier55 makers · vector database

QdrantHeavy metadata filtering alongside vector search, self-hosted from one binary or on its managed cloud.Open sourceFree tier18 makers · vector database

WeaviateHybrid search that mixes keyword and vector results, with built-in modules that can create embeddings for you.Open sourceFree tier16 makers · vector database

turbopufferVery large or many-tenant indexes where storing everything on object storage keeps cost down.8 makers · vector database

LanceDBAn embedded vector database that stores vectors and data as files on local disk or object storage, with no server to run.Open sourceFree tier3 makers · vector database

MongoDBApps already on MongoDB Atlas that want vector search on the same documents, with no second store to sync.Self-hostableFree tier

Questions makers ask about Milvus

Is Milvus free?

Yes — there is a free tier a small product can run on; paid use starts at Pay as you go (Zilliz Cloud Serverless). source ↗

Is Milvus open source or self-hostable?

Open source, and you can self-host it. source ↗

Can AI coding agents work with Milvus?

It serves an llms.txt docs index.

Who uses Milvus?

No maker's live product we track yet; 41 open-source projects declare it in their code. source ↗