Claude vs Lumo (Proton)
A side-by-side comparison of Claude and Lumo (Proton) — pricing, free tiers, and who each tool is genuinely best for.
| Tagline | Anthropic's assistant known for long-context reasoning and coding | Privacy-first AI assistant from the makers of Proton Mail |
| Category | AI Assistants & Chatbots | AI Assistants & Chatbots |
| Pricing | Free tier; Pro $20/mo; Max from $100/mo; Team from $25/user/mo; Enterprise custom | Free tier available; paid access tied to Proton plans (verify on site) |
| Free tier | ||
| Best for | Users who prioritize careful reasoning, long-document analysis, and high-quality coding and writing. | Existing Proton users who want an AI assistant that aligns with strong privacy and Swiss data protection standards |
| Not for | People who want built-in image generation or the largest third-party plugin marketplace. | Users seeking cutting-edge model performance or extensive third-party integrations outside the Proton ecosystem |
| Use cases | Long-document analysis Coding and refactoring Nuanced writing and editing Summarizing PDFs Research synthesis | Private AI chat with no training data usage AI assistance integrated with Proton Mail or Drive Privacy-conscious research and drafting Secure AI for journalists or activists |
| Visit Claude | Visit Lumo (Proton) |
Claude
Choose it if: Users who prioritize careful reasoning, long-document analysis, and high-quality coding and writing.
Lumo (Proton)
Choose it if: Existing Proton users who want an AI assistant that aligns with strong privacy and Swiss data protection standards