NEWJoin 2M+ software buyers|Get Weekly Insights, Trends & Expert PicksSubscribe free →

pgvector vs Milvus Comparison

Last updated:

pgvector

Starting at Contact for pricing

  • Small Business
  • Medium Business

pgvector adds vector storage and similarity search to PostgreSQL as an extension, so embeddings live in the same database as the relational data they relate to. That removes the operational burden of running a second dat…

Milvus

Starting at Contact for pricing

  • Small Business
  • Medium Business

Milvus is an open-source vector database designed for large-scale similarity search, handling billions of vectors across distributed clusters. It supports multiple index types including HNSW, IVF and DiskANN so teams can…

pgvector vs Milvus — at a glance

FeaturepgvectorMilvus
Rating——
Reviews——
Starting priceContact for pricingContact for pricing
Free trial No No
Free version No No
Best forSmall Business, Medium Business, Large EnterprisesSmall Business, Medium Business, Large Enterprises
CategoryVector Database SoftwareVector Database Software
PlatformsSaaS/Web/CloudSaaS/Web/Cloud
APIAvailableAvailable
Support modesOnlineOnline

Key differences between pgvector and Milvus

  • Deployment: pgvector supports SaaS/Web/Cloud; Milvus supports SaaS/Web/Cloud.

pgvector vs Milvus — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Vector Database Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

pgvector - Logo
Talk to an expert
Talk to an expert
Milvus - Logo
Talk to an expert
Talk to an expert

Free PDF comparison

Download this pgvector vs Milvus comparison

Get the full side-by-side as a PDF — these picks plus the top Vector Database Software tools, with verified ratings, pricing and features.

  • Side-by-side on pricing, features & ratings
  • Plus the category top 10, scored & ranked
  • Emailed to you — no on-screen download

No file downloads on screen — we email it to you. One-click unsubscribe anytime.

pgvector vs Milvus: Biggest differences

Start here before you go deeper into features.

pgvector

Best for

Small Business, Medium Business, Large Enterprises

Milvus

Best for

Small Business, Medium Business, Large Enterprises

pgvector typically suits Small Business and Medium Business. Milvus tends to fit Small Business and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.

Description

pgvector adds vector storage and similarity search to PostgreSQL as an extension, so embeddings live in the same database as the relational data they relate to. That removes the operational ... Read More about pgvector

Milvus is an open-source vector database designed for large-scale similarity search, handling billions of vectors across distributed clusters. It supports multiple index types including ... Read More about Milvus

Free Trial Availability

  • No free trial
  • No free trial
Get pricing help
Get pricing help

Need a second opinion?

Get decision help from a software advisor

Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.

Spotsaas advisor
Get decision help from a software advisor
  • Independent advice — matched to your business
  • Understand the tradeoffs before you talk to vendors
  • Free 15-min call with a software advisor.

Step 1 of 4

How big is your team?

We tailor recommendations to companies your size.

Trusted by teams at

How do pgvector and Milvus Compare on Features?

Total Features

6 Features

6 Features

Unique Features

No unique features

No unique features

Get Quote
Get Quote

Compare pgvector and Milvus on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

pgvector vs Milvus: Other Details

Organization Types supported

      Platforms Supported

          Modes of support

          • 24/7 (Live rep)
          • Business Hours
          • Online
          • 24/7 (Live rep)
          • Business Hours
          • Online

          API Support

          • Available
          • Available
          Get help choosing
          Get help choosing

          Used pgvector or Milvus? Tell buyers what actually differs.

          Top Alternatives to pgvector and Milvus in 2026

          Expand your comparison

          Add another option to compare side by side

          Search by product name to compare pricing, fit, and buyer feedback in one view.

          Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

          Frequently asked questions

          Which is better, pgvector or Milvus?
          pgvector and Milvus are closely matched with equal user ratings of -1.0. The right choice depends on your team size, budget, and specific Vector Database Software needs.
          Do pgvector and Milvus offer a free trial?
          Neither pgvector nor Milvus currently lists a free trial.
          What is the starting price of pgvector vs Milvus?
          pgvector starts at Contact for pricing. Milvus starts at Contact for pricing.
          What are the top alternatives to pgvector?
          Top alternatives to pgvector include LanceDB, Vespa, ClickHouse, Milvus, turbopuffer.
          What are the top alternatives to Milvus?
          Top alternatives to Milvus include Deep Lake, Azure AI Search, Vertex AI Vector Search, ClickHouse, Marqo.