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Sigma

A privacy-focused AI browser with built-in AI chat, AI agent, image generation, and local LLM processing for complete data privacy.

Introduction

Sigma Private AI Browser

Sigma is a privacy-focused web browser that integrates advanced AI capabilities directly into the browsing experience. Designed with the philosophy "Your AI. Your Device. Your Rules," Sigma combines powerful AI features with robust privacy protections.

Key Highlights
  • Eclipse Local AI: Sigma runs a local LLM (Large Language Model) called Eclipse directly in the browser, ensuring your data stays on your device with no cloud processing required
  • AI Agent: Automates tasks on your behalf — navigating pages, filling forms, and managing workflows end-to-end
  • AI Chat: Integrated chat interface for questions, deep research, image generation, and content creation
  • Privacy-First Design: Critical data stays local, with built-in ad blocking and blockchain-based mnemonic profiles for secure identity management
Platform Support

Available for both macOS and Windows operating systems, Sigma delivers a fast, lightweight browsing experience packed with AI-powered features while maintaining user privacy as the top priority.

Target Audience

Privacy-conscious users who want AI-powered browsing capabilities, researchers, professionals who need AI assistance while maintaining data security

Key Features
  • AI Agent for automated task completion
  • Eclipse local LLM for offline AI processing
  • AI Chat with deep research capabilities
  • AI Image Generator
  • Chat With Page feature
  • Built-in ad blocker
  • Mnemonic profile with blockchain cryptography
  • Uncensored AI capabilities
  • Privacy-focused browsing with local data processing
Use Cases
  • Private web browsing with AI assistance
  • Automated web tasks and form filling
  • Deep research and information gathering
  • AI-powered image generation
  • Secure browsing with ad blocking
  • Offline AI processing for sensitive data
  • Content creation and text generation
Pros
  • Strong privacy focus with local AI processing
  • Comprehensive AI features built into browser
  • No cloud dependency for sensitive data
  • Built-in ad blocker
  • Available on both macOS and Windows
  • Blockchain-based secure identity system
Cons
  • Newer browser with potentially smaller extension ecosystem
  • Local AI processing may require more device resources
  • May have learning curve for AI features
Pricing

Free download available; premium plans likely offered (referenced on pricing page)

Latest News

Blog | Sigma AI Browser

Blog | Sigma AI Browser

8/4/2026

Sigma Browser logo AI Chat # Sigma Browser Blog Stay informed with the latest news, updates and industry trends Blog Images July 20, 2026 Browser With On-Device AI: Best Local AI Browsers in 2026 A guide to on-device AI browsers, local models, privacy, offline use, and Sigma’s place in the category....

Product Updates | Sigma AI Browser

Product Updates | Sigma AI Browser

8/4/2026

Updated Chromium Engine (Windows & Mac) A safer, smoother browsing experience with the latest Chromium version — improved stability and security under the hood. Smarter Agent Framework (Windows & Mac) The agent is now faster and more intelligent, capable of handling complex tasks with better context...

Releases | Sigma AI Browser

Releases | Sigma AI Browser

8/4/2026

Sigma Browser logo AI Chat Download # Press Releases Blog Images January 6, 2026 Sigma Launches the First Private AI Browser With Cloudless LLM Sigma Browser has announced the launch of Sigma Eclipse, the world’s first AI-powered browser built on a fully local, cloudless large language model archite...

How to Summarize and Compare Multiple Web Pages With AI

How to Summarize and Compare Multiple Web Pages With AI

8/4/2026

We’ll let you know when Sigma for Android launches. You’re on the list! Please enter a valid email address. Sigma Browser #### About SupportPricing #### Features Deep ResearchUncensored AIAI AgentImage GeneratorChat with pagePrivate AIAI ChatPrivate Browser #### Resources BlogUpdatesPress releases #...

Sigma AI Chat – Ask, Write, and Create with One Tool

Sigma AI Chat – Ask, Write, and Create with One Tool

8/4/2026

Where can I learn more or suggest features? × ## Get Sigma on Android We’ll let you know when Sigma for Android launches. You’re on the list! Please enter a valid email address. Sigma Browser #### About SupportPricing #### Features Deep ResearchUncensored AIAI AgentImage GeneratorChat with pagePriva...

FAQ

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