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Lumo (Proton) Pricing (2026)

Lumo (Proton) has a free tier. It's worth it if existing proton users who want an ai assistant that aligns with strong privacy and swiss data protection standards. The cheapest comparable alternative is Character.AI at ~$9.99/mo.

Lumo (Proton) plans

  • Free tier available
  • paid access tied to Proton plans (verify on site)

Pricing changes often — always confirm on the official site before buying.

Worth it if

Existing Proton users who want an AI assistant that aligns with strong privacy and Swiss data protection standards

Skip it if

Users seeking cutting-edge model performance or extensive third-party integrations outside the Proton ecosystem

Cheaper alternatives to Lumo (Proton)

Comparable AI Assistants & Chatbots tools that cost less:

Free alternatives to Lumo (Proton)

8 AI Assistants & Chatbots tools with a genuine free tier:

Frequently asked questions

Is Lumo (Proton) free?
Yes — Lumo (Proton) has a free tier (Free tier). Check the limits before relying on it for production work.
How much does Lumo (Proton) cost?
Free tier available; paid access tied to Proton plans (verify on site)
What is a cheaper alternative to Lumo (Proton)?
Character.AI is the cheapest comparable AI Assistants & Chatbots tool at about $9.99/mo (it also has a free tier). See the full list below.
Is there a free alternative to Lumo (Proton)?
Yes — ChatGPT, AnythingLLM, Character.AI offer free tiers. ChatGPT is the best free Lumo (Proton) alternative for most people.