Proton Lumo 1.2: Dark Mode, Custom Writing Styles & New Subscription

Introduction

Proton has launched version 1.2 of Lumo, its privacy-focused AI assistant, introducing dark mode and customizable writing styles. These enhancements align with user preferences while maintaining the platform's commitment to security through zero-access encryption.

Enhanced User Experience

The new dark mode feature allows users to switch between light and dark themes, creating visual consistency across Proton's ecosystem. Custom writing styles enable personalized chat interactions, letting users tailor Lumo's tone and formatting to match their communication needs. These AI chatbots improvements demonstrate Proton's focus on user-centric design.

Privacy and Integration Features

Proton Drive integration remains a core feature, enabling users to attach or remove documents and PDFs from Lumo's working memory. This provides better context and accuracy while maintaining privacy through zero-access encryption. The platform ensures no chat logs are stored or used for training, making it a standout among encryption tools.

Subscription Options

While all new features remain free, Proton now offers Lumo Plus as a standalone subscription. This optional add-on provides faster responses, expanded working memory, and unlimited chat usage without requiring existing Unlimited, Family, or Duo plans. This flexible approach makes advanced AI writing tools more accessible.

Pros and Cons

Advantages

• Dark mode reduces eye strain during extended use
• Custom writing styles enhance personalization
• Zero-access encryption protects privacy
• Proton Drive integration improves context
• Standalone subscription offers flexibility
• Free features remain accessible to all users
• Improved reasoning capabilities from v1.1

Disadvantages

• Plus subscription required for unlimited usage
• Limited to Proton ecosystem integration
• May lack some advanced features of competitors

Conclusion

Proton Lumo 1.2 represents a significant step forward for privacy-conscious AI assistants. The addition of dark mode and custom writing styles addresses user demands while maintaining the platform's security-first approach. The flexible subscription model makes advanced features accessible without commitment to bundled plans, positioning Lumo as a compelling choice among secure browser tools and privacy-focused AI solutions.