Company research
As of May 18, 2026
Hacker News mentions decreased 80% over the last 30 days. Hacker News is discussion volume, not adoption.
Weaviate
Open-source vector database. GraphQL and REST APIs for AI search.
AI InfrastructureFounded January 2019#3 of 54 in AI Infrastructure
Updated May 29, 2026
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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.
History
Research history
3 research updates
Ai Infrastructure
Weaviate: Hacker News mentions decreased 80% over the last 30 days
LatestAi Infrastructure
Weaviate: Hacker News mentions decreased 46.2% over the last 30 days
1 metricAi Infrastructure
Weaviate: Hacker News mentions decreased 50% over the last 30 days
1 metricLatest company data
Primary data point
Downloads
131.9M/30d
- npm
- 1.4M
- PyPI
- 130.5M
Tracked packages: npm weaviate-client; PyPI weaviate-client
▲ +20%npm + PyPI: Updated 1d ago
Other data points
Dependent projects
409
- npm
- 43
- PyPI
- 366
Projects depending on tracked packages: npm weaviate-client; PyPI weaviate-client
npm + PyPI: Updated 9h ago
GitHub stars
16.3K
Main repository stars
Updated 9h ago
Hacker News
2/30d
Position #41 in category discussion
Updated 9h ago
Repository health
Maintenance data from the main open-source repository.
OpenSSF ScorecardSource: OpenSSF ScorecardUpdates: WeeklyCaveat: Score 0–10 across security practices; not all checks apply to every repoMethodology →
6.8
Key-person riskSource: GitHub public event dataUpdates: WeeklyCaveat: Minimum developers needed for half of recent code changes. Lower = higher concentration risk.Methodology →
3
External contributorsSource: GitHub public event dataUpdates: WeeklyCaveat: Based on push events; may undercount contributors who only open PRsMethodology →
18
% of recent contributors outside the core team
Releases (30d)Source: GitHub release dataUpdates: WeeklyCaveat: Published releases in the last 30 daysMethodology →
0
Repository usage
Public repositories and source files importing packages tied to Weaviate.
Repos importingMetric: Public GitHub repos using company packagesSource: ecosyste.ms Packages APIScope: UTC daily snapshotUpdates: DailyFreshness: 48h target; 48h expected source lagConfidence: HighCaveat: Public GitHub dependency data only; private repos and direct API use outside those packages are not visible.Methodology →
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
Funding
$67M · 4 roundsRaised $67M total. Category position #3 of 54 in AI Infrastructure.
Series A2023
$5KIndex Ventures
Series B2023
$50MIndex Ventures
Series A2022
$16MNew Enterprise Associates
Seed2020
$1MZetta Venture Partners
Investors
Index VenturesNew Enterprise AssociatesZetta Venture Partners
Tracked packages (2)
1 npm, 1 PyPI
weaviate-client
npmMain npm packageweaviate-client
Open-source vector database. GraphQL and REST APIs for AI search.
weaviate-client
PyPIMain PyPI packageweaviate-client
Open-source vector database. GraphQL and REST APIs for AI search.