Comparison

LanceDB vs Weaviate

No clear leader: Weaviate (62.5) and LanceDB (58.5) 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
Weaviate63
Score
vioscaleAI score
LanceDB59 / 100medium · 53%
Weaviate63 / 100medium · 73%
Pricing
Free tier
LanceDB✓
Weaviate✓
Model
Weaviatefreemium
Price level
LanceDBfree
Weaviatelow
Transparent
LanceDB–
Weaviate✗
Integrations
Count
LanceDB15
Weaviate25
Reliability
Sla pct
LanceDB–
Weaviate99.95
Status page
LanceDB–
Weaviate✓
Adoption
Dependent repos
LanceDB453
Weaviate15
Github stars
LanceDB11,663
Weaviate16,862
Package downloads weekly
LanceDB1,423,043
Weaviate–
Activity
Commits last 30d
LanceDB100
Weaviate100
Release
Cadence days
LanceDB–
Weaviate1
History
LanceDB20 items
Weaviate20 items
License
Spdx
LanceDBApache-2.0
WeaviateBSD-3-Clause
Language
Primary
LanceDBRust
WeaviateGo
Market
Content
Faq
LanceDB6 items
Weaviate7 items

Capabilities

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

Deployment
Deployment
LanceDBSelf-hosted
WeaviateSelf-hosted
Serverless / consumption pricing
LanceDB✓
Weaviate-
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
LanceDB-
WeaviateHNSW
Distance metrics (cosine / dot / Euclidean)
LanceDB-
Weaviate-
Query
Metadata filtering
LanceDBPost-filter
Weaviate-
Hybrid search (dense + sparse fusion)
LanceDB✓
Weaviate✓
Built-in BM25 / lexical
LanceDB✓
Weaviate✓
Storage
Quantization
LanceDB-
WeaviateProduct
On-disk vs in-memory
LanceDBDisk-backed
Weaviate-
Scale
Multi-tenancy (namespaces / collections / tenants)
LanceDB✓
Weaviate✓
Horizontal scale
LanceDBSharded / distributed
WeaviateSharded / distributed
Consistency
Consistency
LanceDB-
WeaviateTunable
Licensing
Licence class
LanceDBPermissive OSS
WeaviatePermissive OSS
Classification
Purpose-built vs feature-of-parent
LanceDBDedicated DBMS
WeaviateDedicated 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

Weaviate

A vector database that enables semantic search by storing both objects and vectors, with built-in support for combining vector similarity search with traditional keyword search, retrieval-augmented generation, and reranking capabilities.

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 ↗

Weaviate

HybridFree 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✓
Weaviate✓
Deployment
Cloud / SaaS
LanceDB✓
Weaviate✓
Self-hosted
LanceDB✓
Weaviate✓

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

Weaviate

Not documented yet.

Still deciding?

LanceDB or Weaviate: 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.