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Weaviate

Open-source vector database. GraphQL and REST APIs for AI search.

AI InfrastructureFounded January 2019#2 of 54 in AI Infrastructure

weaviate.ioGitHubnpmPyPI
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Company research

Current company data

No company research card is published for Weaviate yet. The current company data below lists package, repository, and discussion metrics AI-Buzz can inspect today; AI-Buzz publishes a card when recent public metrics show a measured change with dated evidence and cited sources.

Package downloads (30d)

216.3M/30d

Dependent projects

446

dependents · latest

GitHub stars

16.6K

Hacker News

3/30d

Note: Public metrics are incomplete, and current data alone does not prove a trend; they do not show private usage, paid use, customer count, or product quality.

See latest dataHow we measure itAll research →

Company profile

What is Weaviate?

Weaviate is an open-source vector database. GraphQL API makes it developer-friendly. Popular for RAG and semantic search applications.

Latest company data

Metric dates vary by source

Metric dates
npm downloads
PyPI downloads
npm dependents
PyPI dependents
GitHub stars
Hacker News mentions

Key metric

Package downloads (30d)

216.3M/30d

npm
1.3M
PyPI
215.0M

Tracked packages: npm weaviate-client; PyPI weaviate-client

▲ +29%

Additional metrics

3 metrics

Metric

Dependent projects

446

npm
43
PyPI
403

Projects depending on tracked packages: npm weaviate-client; PyPI weaviate-client

Metric

GitHub stars

16.6K

Main repository stars

Metric

Hacker News

3/30d

Position #40 in category discussion

Repository health

Maintenance data from the main open-source repository.

OpenSSF Scorecard
6.7
Key-person risk
4
External contributors
13
% of recent contributors outside the core team
Releases (30d)
0

Repository usage

Public repositories and source files importing packages tied to Weaviate.

Repos importing
2.9K0%

About Weaviate

Weaviate is an open-source vector database. GraphQL API makes it developer-friendly. Popular for RAG and semantic search applications.

FoundersBob van Luijt, Etienne Dilocker, Michaël van der Meer
weaviate.iogithub.com/weaviate/weaviatenpm: weaviate-clientPyPI: weaviate-client

Disclosed funding

Disclosed $67M · 4 rounds

Disclosed funding records total $67M. Category position #2 of 54 in AI Infrastructure.

Undisclosed2026

Ricoh Innovation Fund

Undisclosed
Series A2023

Index Ventures

$5K
Series B2023

Index Ventures

$50M
Series A2022

New Enterprise Associates

$16M
Seed2020

Zetta Venture Partners

$1M

Investors

Index VenturesNew Enterprise AssociatesRicoh Innovation FundZetta Venture Partners

Tracked packages (2)

1 npm, 1 PyPI

weaviate-client

npmMain npm package

weaviate-client

Open-source vector database. GraphQL and REST APIs for AI search.

weaviate-client

PyPIMain PyPI package

weaviate-client

Open-source vector database. GraphQL and REST APIs for AI search.