Onyx vs Open WebUI
Comparing two open source alternatives to ChatGPT and Claude . Use the comparison below to decide which one fits your needs.
Onyx
Onyx is an open-source AI chat and enterprise search platform with RAG that works with every LLM. Bring your own model, connect your tools, and unify all your team's knowledge.
Side-by-side comparison
| Onyx |  Open WebUI | |
|---|---|---|
| License | — | — |
| Self-hostable | Yes | Yes |
| GitHub Stars | 31,650 | 149,135 |
| Forks | 4,358 | 21,724 |
| Open Issues | 408 | 363 |
| Last Commit | Aug 18, 2026 | Aug 18, 2026 |
| First Released | Apr 27, 2023 | Oct 6, 2023 |
| Categories | ||
| Tags | — |
GitHub stars over time
GitHub stars over time
Onyx31,650
Open WebUI
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