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 Perplexity
- 3Onyx vs Claude
- 4Onyx vs Microsoft Copilot
- 5Onyx vs Gemini
- 6Onyx vs Grok
- 7Onyx vs Poe
- 8Onyx vs Amazon Q
- 9Onyx vs DeepSeek
- 10Onyx vs Lumo
- 11Onyx vs Quad Chat
- 12Onyx vs Yuanbao
- 13Onyx vs Merlin
- 14Onyx vs AnythingLLM
- 15Onyx vs LobeChat
- 16Onyx vs Meta AI
- 17Onyx vs Kimi
- 18Onyx vs Gemini Notebook
- 19Onyx vs Vibe
- 20Onyx vs Doubao
Onyx alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ChatGPT | 9.7 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 2 | Perplexity | 9.7 | Free plan | $20/mo | Android, API, iOS, Mac, Web, Windows |
| 3 | Claude | 9.6 | Free plan | Android, API, Browser, iOS, Linux, Mac, Web, Windows | |
| 4 | Microsoft Copilot | 9.5 | Free plan | $8.33/mo | Web, Windows, Mac, iOS, Android |
| 5 | Gemini | 9.4 | Free plan | Free | Web, Windows, Mac, iOS, Android |
| 6 | Grok | 9.4 | Free plan | $30/mo | Android, API, iOS, Web |
| 7 | Poe | 9.3 | Free plan | Free | Android, API, iOS, Mac, Web, Windows |
| 8 | Amazon Q | 9.1 | Free plan | Web, Android | |
| 9 | DeepSeek | 8.9 | Free plan | Free | Web, iOS, Android |
| 10 | Lumo | 8.9 | Free plan | Free | Web, iOS, Android |
| 11 | Quad Chat | 8.9 | Free plan | $8/mo | Android, iOS, Web |
| 12 | Yuanbao | 8.8 | Free plan | Free | Web, iOS, Android |
| 13 | Merlin | 8.8 | Free plan | Free | Web, Mac, iOS, Android |
| 14 | AnythingLLM | 8.8 | Free plan | Android, API, Linux, Mac, self-hosted, Web, Windows | |
| 15 | LobeChat | 8.7 | Free plan | $9.90/mo | Android, iOS, Linux, Mac, self-hosted, Web, Windows |
| 16 | Meta AI | 8.6 | Web, Mac, iOS, Android | ||
| 17 | Kimi | 8.6 | Web, Windows, Mac, iOS, Android | ||
| 18 | Gemini Notebook | 8.6 | Free plan | $9.99/mo | Web, iOS, Android |
| 19 | Vibe | 8.6 | Free plan | $14.99/mo | Web, Windows, Mac, Linux, iOS, Android |
| 20 | Doubao | 8.5 | Web, Windows, Mac, 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 9.7 out of 10. The others here: Perplexity, Claude, Microsoft Copilot and 16 more.
What is the best free alternative to Onyx?
ChatGPT is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.