Sigma / Sigma AI Browser
by Sigma
Privacy-first AI browser with built-in SigmaGPT and summarization tools
Features
- SigmaGPT assistant for chat and contextual help
- Sigma Summarizer for long-form content condensation
- End-to-end encryption for AI chats and encrypted DNS
- Built-in VPN, ad-blocker, and phishing protection
- Cross-platform support (Windows, macOS, Linux, Android, iOS)
Superpowers
- Strong privacy focus combined with AI tools for research and content creation
Pricing
- Free core features; optional paid tiers for autonomous agent features and enterprise deployments
Privacy
- No-tracking pledge, GDPR/CCPA compliance, and zero-retention options for paid plans
Best for
- Privacy-conscious knowledge workers and researchers who want integrated summarization
Sources
- Sigma product pages and independent reviews