ChatGPT vs Lumo
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both ChatGPT and Lumo are credible ai chatbots tools, and the right pick comes down to your priorities.
Choose ChatGPT if you want broader platform coverage and a higher overall rating (4.6/5). The most widely used AI assistant.
Lumo — Privacy-first AI assistant from Proton
ChatGPT vs Lumo: side by side
| Dimension | ChatGPT | Lumo |
|---|---|---|
| Starting price | Free – $20/mo | Free – $12.99/mo |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Freemium |
| Best for | Everyone, Developers, Knowledge Workers | Privacy Conscious Users, Professionals |
| Platforms | Web, Mac, Windows, Ios, Android, ApiWinner | Web, Ios, Android |
| Rating | 4.6/5Winner | 4.2/5 |
ChatGPT key facts
- Vendor
- OpenAI
- Pricing
- Freemium — Free – $20/mo
- Free tier
- Yes
- Platforms
- Web, Mac, Windows, Ios, Android, Api
- Best for
- Everyone, Developers, Knowledge Workers
- Editor rating
- 4.6 / 5
- Founded
- 2022
- Headquarters
- San Francisco, CA, USA
Lumo key facts
- Vendor
- Proton
- Pricing
- Freemium — Free – $12.99/mo
- Free tier
- Yes
- Platforms
- Web, Ios, Android
- Best for
- Privacy Conscious Users, Professionals
- Editor rating
- 4.2 / 5
- Founded
- 2025
- Headquarters
- Geneva, Switzerland
Frequently asked questions
Is ChatGPT better than Lumo?
Neither is universally better — ChatGPT edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is ChatGPT or Lumo cheaper?
ChatGPT is the more affordable of the two to get started, at free – $20/mo. ChatGPT starts at free – $20/mo; Lumo starts at free – $12.99/mo.
Can ChatGPT replace Lumo?
Yes for most teams — both are ai chatbots tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.