Launched January 28, 2025
Sigma AI Browser

Sigma AI Browser

Chat with AI, generate images, summarize articles - for free. All In one Browser

FreeImage3,149 impressions#5 of its week

Sigma AI Browser allows people to chat with AI, generate images, summarize articles - for free. All In one Browser

Sigma AI Browser is a Chromium-based web browser with built-in AI chat, local LLM, ad-blocking and privacy-first features.

for
Users who want a fast browser with integrated AI assistance and strong privacy.
pricing
freemium
license
open source
Ai-Swat/sigma-eclipse-llm 39 3Rustupdated 6 months ago
works withBrowser extensionsBlockchain cryptography

Key features

8 features of Sigma AI Browser
  • AI Agent — Automates navigation, form-filling and task completion based on user goals.
  • Local LLM (Eclipse) — Runs a private language model on-device for fast, offline AI responses.
  • Chat with Page — Turns any website into a conversational interface with instant summaries.
  • Built-in Ad Blocker — Blocks intrusive ads for a cleaner browsing experience.
  • Quick Translate — Highlights text and translates it instantly into any language.
  • Private Profiles — Separate work and personal browsing with encryption protected by a 12-word phrase.
  • Web3 Integration — Connects to decentralized apps and manages blockchain wallets directly in the browser.
  • Mnemonic Profile — Provides a blockchain-backed identity with a recovery phrase for backup.

Use cases

  • Research a topic while the AI agent gathers sources and summarizes pages.
  • Fill out online forms automatically by describing the desired outcome.
  • Generate images or visual content without leaving the browser.
  • Translate foreign-language articles on the fly while reading.
  • Browse with ads blocked and personal data kept entirely on the device.

Sigma AI Browser pricing

  • Free$0/monthChat on all platforms · Limited AI Agent usage · Limited image generation · Limited Deep Research
  • Plus$10/monthUnlimited prompts · 50x more file uploads · 10x more web searches · Early access to new features
  • Pro$60/monthUnlimited file uploads · Unlimited AI Agent · Unlimited Deep Research · Early access to new features

Sigma AI Browser vs alternatives

Sigma AI BrowserNoteGPT - AI Learning AssistantWunjo Community Edition (CE)FridayGPTAI Image Generator by Leap AI
Best forPrivacy-focused AI-enhanced browsingAI-assisted study and note-takingAll-in-one AI content suiteDesktop ChatGPT clientAI image generation
PricingFreemiumFreeFreeOne time feeFree
DevHunt upvotes4212135
LaunchedJan 2025Mar 2026Nov 2024Mar 2024Jul 2024

Sigma AI Browser FAQ

What is Sigma AI Browser?+

It is a Chromium-based web browser that embeds AI chat, a local LLM, ad-blocking and privacy protections.

What’s a browser-based AI agent?+

An AI component that can navigate pages, fill forms and perform tasks on your behalf based on a described goal.

How is this different from a chatbot or AI assistant?+

Sigma’s AI runs locally, can act on webpages, and is integrated directly into the browsing experience.

What kinds of tasks can it do?+

Research, summarizing articles, generating images, translating text, automating form entry, and managing Web3 interactions.

Is it safe? Will you store my data?+

All data and AI conversations are end-to-end encrypted and stay on the device; no cloud processing is used.

The browser or AI agent isn’t responding, what should I do?+

Check the FAQ section on the site or reach out via their X account @Sigma_Browser for support.

Summarized by DevHunt from sigmabrowser.com · Sep 28, 2026. Details may change; check the official site.