Comparison

LanceDB vs Milvus

No clear leader: LanceDB (58.5) and Milvus (57.2) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
LanceDB59
Milvus57
Score
vioscaleAI score
LanceDB59 / 100medium · 53%
Milvus57 / 100medium · 57%
Pricing
Free tier
LanceDB✓
Milvus✓
Model
Price level
LanceDBfree
Milvusfree
Transparent
LanceDB–
Milvus✗
Integrations
Count
LanceDB15
Milvus2
Adoption
Dependent repos
LanceDB453
Milvus7
Github stars
LanceDB11,663
Milvus46,375
Package downloads weekly
LanceDB1,423,043
Milvus–
Activity
Commits last 30d
LanceDB100
Milvus100
Release
Cadence days
LanceDB–
Milvus7
History
LanceDB20 items
Milvus20 items
License
Spdx
Language
Primary
LanceDBRust
MilvusGo
Market
Availability
Milvus–
Content
Faq
LanceDB6 items
Milvus6 items

Capabilities

Feature-by-feature on the axes that matter for vector databases. “-” means undocumented, not absent.

Deployment
Deployment
LanceDBSelf-hosted
MilvusSelf-hosted
Serverless / consumption pricing
LanceDB✓
Milvus✓
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
LanceDB-
MilvusHNSW, IVF, FLAT, SCANN, DiskANN, GPU_CAGRA
Distance metrics (cosine / dot / Euclidean)
LanceDB-
Milvuscosine, Euclidean, dot product
Query
Metadata filtering
LanceDBPost-filter
MilvusPre-filter
Hybrid search (dense + sparse fusion)
LanceDB✓
Milvus✓
Built-in BM25 / lexical
LanceDB✓
Milvus✓
Storage
Quantization
LanceDB-
MilvusProduct
On-disk vs in-memory
LanceDBDisk-backed
MilvusDisk-backed
Scale
Multi-tenancy (namespaces / collections / tenants)
LanceDB✓
Milvus✓
Horizontal scale
LanceDBSharded / distributed
MilvusSharded / distributed
Consistency
Consistency
LanceDB-
MilvusEventual
Licensing
Licence class
LanceDBPermissive OSS
MilvusPermissive OSS
Classification
Purpose-built vs feature-of-parent
LanceDBDedicated DBMS
MilvusDedicated DBMS

What each one is

The product in its own terms, so the numbers below have context.

LanceDB

A specialized lakehouse platform designed to store and query text, images, and vector data together, enabling high-performance vector search for real-time and historical multimodal AI workloads.

Independently observed

Milvus

A high-performance, distributed vector database that enables fast similarity search across billions of high-dimensional vectors, supporting real-time updates, flexible metadata filtering, and hybrid search capabilities for AI and machine learning applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

LanceDB

Open sourceFree tier
as of verify ↗

Milvus

Open sourceFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
LanceDB✓
Milvus✓
Linux
LanceDB✗
Milvus✓
CLI
LanceDB✗
Milvus✓
Deployment
Cloud / SaaS
LanceDB✓
Milvus✓
Self-hosted
LanceDB✓
Milvus✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

LanceDB

20 total
  • LangChain
  • LlamaIndex
  • DuckDB
  • Apache Arrow
  • Pandas
  • Polars
  • CrewAI
  • Hugging Face
  • Apache Fluss
  • Ray
  • Volcano Engine
  • Voxel51
  • Continue
  • OpenClaw
  • LeRobot
  • Fluss
  • Apache Flink
  • MemGPT
  • OpenSearch
  • Flight SQL
Independently observed

Milvus

8 total
  • OpenAI
  • Sentence Transformers
  • BGE-M3
  • SPLADE
  • Jina AI
  • BM25
  • PyMilvus
  • Jina
Independently observed
Still deciding?

LanceDB or Milvus: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.