Strongest fit
Who it is built for
- People who want AI tools integrated into a web browser
- Researchers comparing webpages, files, and online information
- Users who need browser-based assistance with web tasks
Sigma Browser
Private AI browser with chat, research, and web automation
Sigma Browser is a private AI browser that combines web browsing with AI chat, deep research, page analysis, image generation, and an agent that can navigate pages and fill forms. It is available for macOS, Windows, and iOS, with free and paid plans.
SBSigma BrowserProduct screenshot pending
- Best for
- People who want AI tools integrated into a web browser
- Pricing signal
- $0 / month
- Primary category
- Web browsers
- Last verified
- Jul 30, 2026
The decision
Should Sigma Browser make your shortlist?
Start with the job, the team, and the constraints. Product fit becomes much clearer when those three line up.
Practical use cases
Jobs it can take on
- Ask questions about text, images, files, or an open webpage
- Run deep research and web searches from the browser
- Ask the AI agent to navigate pages and fill forms
Before you choose
Know the tradeoffs
- The Free plan has limited access to the AI Agent, image generation, web search, deep research, Telegram search, and text writing.
- Linux and Android versions are listed as coming soon on Sigma's download page.
Inside the product
What you can actually do with it.
The core product capabilities, grouped around the work they enable.
AI agent
Sigma's AI agent can navigate pages, fill forms, manage tasks, and carry out browser actions from a described goal.
AI chat and analysis
The browser can analyze text, images, files, and open pages through its integrated chat tools.
Deep research
Sigma includes web search and deep-research capabilities, with larger allowances on paid plans.
Typical workflow
Download Sigma and browse normally while opening its AI tools when you need to research, analyze content, or take web actions. Describe a task or question, and Sigma can use the current page, uploaded content, or web research to generate an answer or complete browser steps.
Plans and official links
Plans and access$0 / month.
See the entry price, free access options, company details, and direct vendor destinations in one place.
Starting point$0 / month
Free plan
See plans- Provider
- SigmaBrowser OÜ
- Based in
- EE
Official destinations
Choosing for a real workflow?
Make the tool work with the rest of your operation.
We map the workflow, connect existing systems, choose what to buy, and build what is missing.