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
Open-source AI chat and enterprise search platform with RAG that works with every LLM.
Side-by-side comparison
| Onyx |  Open WebUI | |
|---|---|---|
| License | — | — |
| Self-hostable | Yes | Yes |
| GitHub Stars | 30,685 | 144,155 |
| Forks | 4,203 | 20,815 |
| Open Issues | 451 | 295 |
| Last Commit | Jul 3, 2026 | Jul 2, 2026 |
| First Released | Apr 27, 2023 | Oct 6, 2023 |
| Categories | ||
| Tags | — |
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