LvsM

LanceDB vs Milvus

Comparing two vector database platforms on pricing, features, free tier, and trade-offs.

By Bilal Almukhtar Edited by Sofia DraganovLast updated April 20, 2026

Quick summary

LanceDB — Serverless vector database for multimodal AI. LanceDB is an open-source serverless vector database with embedded and cloud options, native multimodal support, and a columnar on-disk format.

Milvus — Open source vector database for GenAI. Milvus is a CNCF-graduated open-source vector database built for massive scale, with managed cloud via Zilliz.

Feature comparison

Feature	LanceDB	Milvus
Pricing model	Freemium	Freemium
Starting price	$50/mo	$65/mo (Zilliz)
Free tier	Yes	Yes
Open source	Yes	Yes
Type	Embedded + cloud	Hybrid
Free Tier	Open source unlimited	Zilliz free cluster
Serverless	Yes	Yes
Self-hosted	Yes	Yes
Multi-tenant	Yes	Yes
Hybrid Search	Yes	Yes
Max Dimensions	32768	32768
Metadata Filtering	Yes	Yes

LanceDB

Serverless vector database for multimodal AI

Pros

Embedded mode — no server needed
Columnar format (great for analytics)
Strong multimodal support
Open source

Cons

Younger project, smaller community
Less battle-tested in production
Cloud tier newer than competitors

Visit LanceDB →

Milvus

Open source vector database for GenAI

Pros

Scales to billions of vectors
CNCF-graduated, enterprise-ready
Multiple index types (HNSW, IVF, DiskANN)
Strong in China / APAC market

Cons

Heavy for small use cases
Steep learning curve
Ops complex if self-hosting

Visit Milvus →

Which should you choose?

Choose LanceDB if you value open source and want the option to self-host, and a free tier is important for your stage. Choose Milvus if you value open source and want the option to self-host, and a free tier is important for your stage.

Frequently asked questions

Which is better, LanceDB or Milvus?

There is no universal “better.” For most teams, Milvus is the safer default because Milvus has a larger community and more third-party integrations, which often translates to better long-term support. For edge cases, the comparison table above highlights where each tool wins.

Is LanceDB cheaper than Milvus?

LanceDB starts at $50/mo, while Milvus starts at $65/mo (Zilliz). Exact costs depend on usage — check both vendors' calculators before committing.

Can I migrate from LanceDB to Milvus?

Migration difficulty depends on how deeply LanceDB-specific features (APIs, SDK conventions, data schemas) are baked into your app. Most vector database migrations take days to weeks. Both vendors typically publish migration guides — check their docs.

Is LanceDB or Milvus open source?

Yes, both LanceDB and Milvus are open source and can be self-hosted.

Does LanceDB or Milvus have a free tier?

Both LanceDB and Milvus offer a free tier.

Which is best for startups and indie hackers?

Startups usually optimize for the lowest friction to ship and the cheapest possible free tier. The one with the most generous free tier here is Milvus. For production workloads, revisit the trade-offs in the feature table above.

More Vector Database comparisons

All LanceDB alternatives →All Milvus alternatives →