Weaviate
Data confidence: HighOpen-source vector database. GraphQL and REST APIs for AI search.
Founded by: Bob van Luijt, Etienne Dilocker, Michaël van der Meer
Weaviate has a Developer Momentum Index of 23, ranking #17 of 262 companies. Key metrics include 31.1M monthly package downloads, 15.8K GitHub stars, $67M in total funding.
Developer Adoption
Developer Adoption
Package downloads and ecosystem metrics, 30-day window
Active Contributors Trend
github contributors remained stable at 17 over the last 90 days.
View data table
| Date | github contributors |
|---|---|
| Mar 5, 2026 | 17 |
| Mar 6, 2026 | 17 |
npm Dependents Trend
Trend data not yet available
Check back soon as we collect more data.
npm Download Trend
npm Downloads remained stable at 1,926,839 over the last 90 days.
View data table
| Date | npm downloads |
|---|---|
| Mar 5, 2026 | 1,926,839 |
| Mar 6, 2026 | 1,926,839 |
PyPI Download Trend
PyPI Downloads grew from 27,887,797 to 29,169,084 (+4.6%) over the last 90 days.
View data table
| Date | pypi downloads |
|---|---|
| Mar 5, 2026 | 27,887,797 |
| Mar 6, 2026 | 29,169,084 |
Key Signals
Developer Community Metrics
Metrics computed from HN discussion, GitHub activity, and funding data.
Category Benchmark
75 AI Infrastructure companies30-Day Trends
npm Downloads
npm Downloads remained stable at 1,926,839 over the last 90 days.
View data table
| Date | npm downloads |
|---|---|
| Mar 5, 2026 | 1,926,839 |
| Mar 6, 2026 | 1,926,839 |
PyPI Downloads
PyPI Downloads grew from 27,887,797 to 29,169,084 (+4.6%) over the last 90 days.
View data table
| Date | pypi downloads |
|---|---|
| Mar 5, 2026 | 27,887,797 |
| Mar 6, 2026 | 29,169,084 |
GitHub Stars
GitHub Stars grew from 15,551 to 15,751 (+1.3%) over the last 90 days.
View data table
| Date | github stars |
|---|---|
| Feb 1, 2026 | 15,551 |
| Feb 2, 2026 | 15,554 |
| Feb 7, 2026 | 15,588 |
| Feb 8, 2026 | 15,591 |
| Feb 9, 2026 | 15,597 |
| Feb 10, 2026 | 15,604 |
| Feb 12, 2026 | 15,618 |
| Feb 13, 2026 | 15,618 |
| Feb 14, 2026 | 15,622 |
| Feb 15, 2026 | 15,627 |
| Feb 16, 2026 | 15,639 |
| Feb 17, 2026 | 15,645 |
| Feb 19, 2026 | 15,673 |
| Feb 21, 2026 | 15,696 |
| Feb 22, 2026 | 15,700 |
| Feb 23, 2026 | 15,706 |
| Feb 24, 2026 | 15,711 |
| Feb 25, 2026 | 15,720 |
| Feb 26, 2026 | 15,731 |
| Feb 27, 2026 | 15,745 |
| Feb 28, 2026 | 15,751 |
HN Mentions
HN Mentions grew from 10 to 12 (+20.0%) over the last 90 days.
View data table
| Date | hn mentions |
|---|---|
| Jan 6, 2026 | 10 |
| Jan 9, 2026 | 8 |
| Jan 10, 2026 | 7 |
| Jan 15, 2026 | 6 |
| Jan 16, 2026 | 4 |
| Jan 17, 2026 | 4 |
| Jan 18, 2026 | 4 |
| Jan 20, 2026 | 7 |
| Jan 21, 2026 | 7 |
| Jan 22, 2026 | 5 |
| Jan 23, 2026 | 5 |
| Jan 24, 2026 | 6 |
| Jan 25, 2026 | 6 |
| Jan 27, 2026 | 6 |
| Jan 29, 2026 | 6 |
| Jan 30, 2026 | 6 |
| Jan 31, 2026 | 6 |
| Feb 1, 2026 | 8 |
| Feb 2, 2026 | 9 |
| Feb 3, 2026 | 10 |
| Feb 4, 2026 | 10 |
| Feb 5, 2026 | 12 |
Funding Rounds
2023 · Index Ventures
2023 · Index Ventures
2022 · NEA
Show 2 earlier roundsHide earlier rounds
2022 · New Enterprise Associates
2020 · Zetta Venture Partners
According to AI-Buzz, Weaviate has 1,926,839 npm downloads in 30 days, with 29,169,084 PyPI downloads in 30 days, with 17 active contributors in 30 days, with 37 npm dependent packages, ranks #26 in AI Infrastructure for HN discussion share (out of 75 tracked with 0.6% of HN discussion), with 0% positive developer sentiment (10 HN comments analyzed), with 62 commits/week (declining).
Source: https://www.ai-buzz.com/companies/weaviate?utm_source=citation&utm_medium=referral&utm_campaign=cite_this_data
Metrics derived from public APIs (HN Algolia, GitHub, npm/PyPI). Sentiment classified by AI. See methodology for details →
About
About
Description
Open-source vector database. GraphQL and REST APIs for AI search.
Estimated Company Size
11 - 50 employees
Website
weaviate.ioDetails
Founded
2019
Description
Weaviate is an open-source vector database. GraphQL API makes it developer-friendly. Popular for RAG and semantic search applications.
Data Confidence
ExcellentReflects profile completeness, metric freshness, and signal coverage.
How we calculate thisEmbed Badge
Featured in Intelligence
PyPI Downloads surge: Weaviate, Scale AI, AI21 LabsJanuary 19, 2026
PyPI Downloads surge: LangChain, Weaviate, Stability AIJuly 14, 2025
npm Downloads surge: Braintrust, AssemblyAI, Weaviate
Weekly AI Intelligence
Which AI companies are developers actually adopting? We track npm and PyPI downloads for 262+ companies. Get the biggest shifts weekly - before they show up in the news.