Chroma vs Open WebUI
Chroma leads in package downloads at 2x; 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 | chroma.dev → | openwebui.com → |
| Description | Open-source vector database. Embeddings database for AI applications. | Open-source ChatGPT alternative. Self-hosted UI for LLMs. |
| Total Disclosed Funding Source: Crunchbase / manual researchUpdates: Weekly | $18M✓ | - |
| Last Funding | Seed May 2023 | Not available |
| Developer Adoption | ||
| Momentum ⓘ | 37Moderate✓ | 36Moderate |
| npm Registry Downloads (30d) Source: npm registryUpdates: DailyNote: Includes all package installations including CI/CD pipelines and mirrors | 763.3K✓ | - |
| npm Trend (30d) | +24% | - |
| PyPI Registry Downloads (30d) Source: PyPI (pypistats.org)Updates: DailyNote: Includes all package installations including CI/CD pipelines and mirrors | 13.8M✓ | 9.0M |
| PyPI Trend (30d) | +27% | +40% |
| Total Downloads (30d) Source: npm + PyPI registriesUpdates: DailyNote: Sum of npm and PyPI; excludes other package managers | 14.5M+27%✓ | 9.0M+40% |
| Active Contributors (30d) Source: GitHub APIUpdates: DailyNote: Tracks designated public repos per company, not all company GitHub activity | 19 | 39✓ |
| Contributors Trend (30d) | - | +129% |
| npm Dependents Source: Libraries.io APIUpdates: WeeklyNote: Counts direct and dev dependents | 255✓ | - |
| Code Adoption (repos) Source: ecosyste.ms Packages APIUpdates: DailyNote: Approximate count; excludes forks | 6.5K✓ | 0 |
| HN Discussion Share Source: Hacker News (Algolia API)Updates: DailyNote: Share of HN mentions within the company's primary category | 2.1% of HN mentions | 0.2% of HN mentions |
| Status | Private | Private |
| HN Mentions (30d) Source: Hacker News (Algolia API)Updates: Daily | 32✓ | 11 |
| GitHub Stars Source: GitHub APIUpdates: DailyNote: Stars are bookmarks — a popularity signal, not a usage indicator | 26.6K | 127.0K✓ |
| Founded | 2021 | 2023 |
| Primary Category | ||
| Data Last Updated | ||
Key Differences
For production adoption: Chroma is depended on by 255 packages. Chroma leads in package downloads with 14.5M per month compared to 9.0M for Open WebUI.
For growth trajectory: Open WebUI has 127.0K GitHub stars versus 26.6K for Chroma. Chroma received 32 Hacker News mentions in the last 30 days compared to 11 for Open WebUI.
For longevity/risk: Chroma has raised $18M in total disclosed funding. Chroma's most recent round was Seed. Open WebUI attracted 39 active contributors in the last 30 days compared to 19 for Chroma. Chroma operates in AI Infrastructure while Open WebUI focuses on Foundation Models.
Bottom Line
Chroma leads on developer adoption with 14.5M 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.
Chroma: 14.5M downloads/mo (+27%), 26.6K GitHub stars, 19 active contributors, 255 dependents, $18M funded vs
Open WebUI: 9.0M downloads/mo (+40%), 127.0K GitHub stars, 39 active contributors
Source: AI-Buzz. Updated daily from npm, PyPI, GitHub, and Hacker News.
- •Chroma leads in package downloads with 14.5M/mo (2x Open WebUI)
- •Open WebUI has 127.0K GitHub stars (5x more)
- •Open WebUI has 39 active contributors (30d) (2x Chroma)
- •Chroma has raised $18M in disclosed funding; no funding data for Open WebUI
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