Open WebUI vs Weaviate
Open WebUI leads in active contributors with 39 (30d). Updated daily with live metrics.
Downloads (30d)
Disclosed Funding
GitHub Stars
HN Mentions (30d)
Momentum (0-100)
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| Metric | ||
|---|---|---|
| Website | openwebui.com → | weaviate.io → |
| Description | Open-source ChatGPT alternative. Self-hosted UI for LLMs. | Open-source vector database. GraphQL and REST APIs for AI search. |
| Total Disclosed Funding Source: Crunchbase / manual researchUpdates: Weekly | - | $67M✓ |
| Last Funding | Not available | Series A Apr 2023 |
| Developer Adoption | ||
| Momentum ⓘ | 36Moderate✓ | 32 |
| npm Registry Downloads (30d) Source: npm registryUpdates: DailyNote: Includes all package installations including CI/CD pipelines and mirrors | - | 1.9M✓ |
| npm Trend (30d) | - | -14% |
| PyPI Registry Downloads (30d) Source: PyPI (pypistats.org)Updates: DailyNote: Includes all package installations including CI/CD pipelines and mirrors | 9.0M | 10.2M✓ |
| PyPI Trend (30d) | +40% | +70% |
| Total Downloads (30d) Source: npm + PyPI registriesUpdates: DailyNote: Sum of npm and PyPI; excludes other package managers | 9.0M+40% | 12.1M+57%✓ |
| Active Contributors (30d) Source: GitHub APIUpdates: DailyNote: Tracks designated public repos per company, not all company GitHub activity | 39✓ | 16 |
| Contributors Trend (30d) | +129% | - |
| npm Dependents Source: Libraries.io APIUpdates: WeeklyNote: Counts direct and dev dependents | - | 37✓ |
| Code Adoption (repos) Source: ecosyste.ms Packages APIUpdates: DailyNote: Approximate count; excludes forks | 0 | 2.9K✓ |
| HN Discussion Share Source: Hacker News (Algolia API)Updates: DailyNote: Share of HN mentions within the company's primary category | 0.2% of HN mentions | 1% of HN mentions |
| Status | Private | Private |
| HN Mentions (30d) Source: Hacker News (Algolia API)Updates: Daily | 11 | 16✓ |
| GitHub Stars Source: GitHub APIUpdates: DailyNote: Stars are bookmarks — a popularity signal, not a usage indicator | 127.0K✓ | 15.8K |
| Founded | 2023 | 2019 |
| Primary Category | ||
| Data Last Updated | ||
Key Differences
For production adoption: Weaviate is depended on by 37 packages. Weaviate leads in package downloads with 12.1M per month compared to 9.0M for Open WebUI.
For growth trajectory: Open WebUI has 127.0K GitHub stars versus 15.8K for Weaviate. Weaviate received 16 Hacker News mentions in the last 30 days compared to 11 for Open WebUI.
For longevity/risk: Weaviate has raised $67M in total disclosed funding. Weaviate's most recent round was Series A. Open WebUI attracted 39 active contributors in the last 30 days compared to 16 for Weaviate. Open WebUI operates in Foundation Models while Weaviate focuses on AI Infrastructure.
Bottom Line
Weaviate leads on developer adoption with 12.1M monthly package downloads. Open WebUI counters with 127.0K GitHub stars, reflecting strong developer awareness. For a deeper look, visit each company's full profile for trend charts, funding rounds, and community sentiment data.
Open WebUI: 9.0M downloads/mo (+40%), 127.0K GitHub stars, 39 active contributors vs
Weaviate: 12.1M downloads/mo (+57%), 15.8K GitHub stars, 16 active contributors, 37 dependents, $67M funded
Source: AI-Buzz. Updated daily from npm, PyPI, GitHub, and Hacker News.
- •Open WebUI has 9.0M downloads/mo vs Weaviate at 12.1M
- •Open WebUI has 127.0K GitHub stars (8x more)
- •Open WebUI has 39 active contributors (30d) (2x Weaviate)
- •Weaviate has raised $67M in disclosed funding; no funding data for Open WebUI
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