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Milvus

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Open-source vector database for AI

Vector DatabasesData & DatabasesAI & Automation
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Reviews onG2
11 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

High performance

Biggest con

Complex operations

TL;DR - Milvus

  • Milvus is an open-source vector database for AI similarity search
  • It handles billion-scale vector search for recommendation and AI applications
  • Free and open-source, managed cloud available
Pricing: Free forever
Best for: Individuals & startups
4.7/5 across review platforms

What is Milvus?

Editorial review
Milvus stores and searches vectors at scale. Open-source vector database for AI applications-similarity search infrastructure. The performance handles scale. The open-source model provides flexibility. The integration is straightforward. AI applications needing vector search choose Milvus for scalable similarity search.
how we evaluateSourcemilvus.io ↗

Pros & Cons

Pros

  • High performance
  • Scalable
  • Open source
  • Good for large scale
  • Active development

Cons

  • Complex operations
  • Heavy resource usage
  • Learning curve
  • Kubernetes recommended
  • Documentation dense

Ratings Across the Web

4.7(11 reviews)

Milvus holds an aggregate rating of 4.7 out of 5 from 11 reviews across G2, last checked March 18, 2026.

G211 reviews
4.7/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Vector databaseSimilarity searchScalableHybrid searchGPU supportOpen source

Pricing Plans

30-day Free Trial

Pricing checked Aug 23, 2026

Open Source

Free

  • Self-hosted
  • Apache 2.0 license
  • Full control
  • Community support

Zilliz Cloud Free

Free

  • 5GB storage
  • 2.5M vCUs/month
  • Managed service
  • Prototyping

Zilliz Serverless

Pay-as-you-go

  • $4 per million vCUs
  • Auto-scaling
  • Up to 20M vectors
  • No minimum

Zilliz Dedicated

$99/month

  • Enterprise-grade
  • 99.95% SLA
  • SOC 2 & ISO 27001
  • Custom deployment
Calculate your costView full pricing

Is Milvus worth the price?

90/100

Milvus offers a very generous pricing model, especially with its robust open-source option and the Zilliz Cloud Free tier providing 5GB storage and 2.5M vCUs/month at no cost.

The Zilliz Serverless tier is competitively priced at $4 per million vCUs, offering flexibility for growing needs. This pricing is best for developers and startups looking for powerful vector database solutions with low entry barriers.

Hidden Costs & Gotchas

Overage fees for vCUs on Serverless tier

Potential egress costs for data transfer

Enterprise features likely require custom quotes

How Milvus Compares to Competitors

Compared to Pinecone, which has a free tier with limitations and then moves to usage-based pricing, Milvus's Zilliz Cloud Free tier offers a similar entry point. Weaviate also offers self-hosted and managed cloud options, but Milvus's open-source nature and clear serverless pricing at $4 per million vCUs provide strong competitive value.

Reviews

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4.7/5

Across 11 verified user reviews on G2

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Best Milvus Alternatives

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QdrantFreemium

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ChromaPaid

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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Milvus FAQ

How does Milvus support AI applications?

Milvus functions as an open-source vector database specifically designed for AI applications, enabling efficient storage and searching of vectors at scale. It provides the necessary similarity search infrastructure for various AI use cases.

Which teams would benefit most from using Milvus?

Teams developing AI applications that require scalable similarity search and need to manage large volumes of vector data will find Milvus particularly useful. Its high performance and scalability are well-suited for such demands.

How is Milvus priced?

Milvus is free to use, as it is an open-source vector database. There are no paid plans required to utilize its features and capabilities.

What kind of trade-offs should users consider when adopting Milvus?

Users should be aware that Milvus can involve complex operations and has a learning curve. It also requires heavy resource usage and recommends Kubernetes for optimal deployment, and its documentation can be dense.

Can Milvus handle large-scale vector search requirements?

Yes, Milvus is built to handle large-scale vector search requirements with high performance and scalability. It is specifically chosen by AI applications needing to manage and search vectors at scale.

How does Milvus compare to Pinecone for vector search?

Milvus is an open-source vector database offering flexibility and active development, suitable for large-scale similarity search, whereas Pinecone is another solution in the vector database space. Milvus's open-source nature provides a different deployment and usage model compared to proprietary alternatives.

Source: milvus.io

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