Best Onyx Alternatives in 2026
Updated
20 apps from AI chatbots and assistants ranked against Onyx on the same published basis.
- 1Onyx vs ChatGPT
- 2Onyx vs Microsoft Copilot
- 3Onyx vs Perplexity
- 4Onyx vs Claude
- 5Onyx vs Gemini
- 6Onyx vs Meta AI
- 7Onyx vs Qwen Chat
- 8Onyx vs Poe
- 9Onyx vs Open WebUI
- 10Onyx vs Grok
- 11Onyx vs DeepSeek
- 12Onyx vs Amazon Q
- 13Onyx vs Lumo
- 14Onyx vs Yuanbao
- 15Onyx vs AnythingLLM
- 16Onyx vs Merlin
- 17Onyx vs Quad Chat
- 18Onyx vs Khoj
- 19Onyx vs LibreChat
- 20Onyx vs Vibe
Onyx alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ChatGPT | 8.3 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 2 | Microsoft Copilot | 8.2 | Free plan | $8.33/mo | Web, Windows, Mac, iOS, Android |
| 3 | Perplexity | 8.2 | Free plan | $20/mo | Android, API, iOS, Mac, Web, Windows |
| 4 | Claude | 8.2 | Free plan | Android, API, Browser, iOS, Linux, Mac, Web, Windows | |
| 5 | Gemini | 8.1 | Free plan | Free | Web, Windows, Mac, iOS, Android |
| 6 | Meta AI | 8.0 | Free plan | Free | Android, iOS, Mac, Web |
| 7 | Qwen Chat | 8.0 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 8 | Poe | 8.0 | Free plan | Free | Android, API, iOS, Mac, Web, Windows |
| 9 | Open WebUI | 8.0 | Free plan | Free | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 10 | Grok | 7.9 | Free plan | $30/mo | Android, API, iOS, Web |
| 11 | DeepSeek | 7.9 | Free plan | Free | Android, API, iOS, Mac, Web, Windows |
| 12 | Amazon Q | 7.6 | Free plan | Web, Android | |
| 13 | Lumo | 7.6 | Free plan | Free | Web, iOS, Android |
| 14 | Yuanbao | 7.6 | Free plan | Free | Android, iOS, Web |
| 15 | AnythingLLM | 7.6 | Free plan | Android, API, Linux, Mac, self-hosted, Web, Windows | |
| 16 | Merlin | 7.5 | Free plan | Free | Web, Mac, iOS, Android |
| 17 | Quad Chat | 7.5 | Free plan | $8/mo | Android, iOS, Web |
| 18 | Khoj | 7.5 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 19 | LibreChat | 7.5 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 20 | Vibe | 7.5 | Free plan | $14.99/mo | Web, Windows, Mac, Linux, iOS, Android |
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Questions about Onyx alternatives
What is the best alternative to Onyx?
ChatGPT, number 1 in AI chatbots and assistants with a score of 8.3 out of 10. The others here: Microsoft Copilot, Perplexity, Claude and 16 more.
What is the best free alternative to Onyx?
ChatGPT is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.