Proton launches Lumo 2.0 with image AI and reasoning modes

Proton has launched a significant upgrade to its Lumo AI assistant, introducing multimodal image processing, new reasoning modes, and enhanced privacy-focused features. The release of Lumo 2.0, announced on Tuesday, June 30, 2026, marks a major expansion of the chatbot first introduced by the privacy-focused productivity company last year.

The new version represents a complete architectural overhaul, according to the company. A key addition is the ability to process and generate images. Users can now upload photos, charts, or documents for the AI to analyze and answer questions about. The assistant can also create custom visuals from text prompts, refine sketches into styled images, and perform basic photo editing tasks like object removal or background swaps.

Lumo 2.0 also introduces two distinct reasoning modes. A "Fast" mode prioritizes quick responses, while a "Thinking" mode deliberately slows down to analyze complex, multi-step problems, displaying a visible thinking state during the process. Proton states the new version responds to most queries up to 76 percent faster than its predecessor.

The update integrates the assistant more deeply with Proton's ecosystem,...