Side by side
Firefox vs Sigma AI Browser
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Find your way back to a better internet
Change the way you browse with AI-powered features
Primary task
Web browsing
Web browsing
Pricing
Free
Freemium · Free + from $8/yr
Pricing details
Free
Free + from $8/yr
Billing cycle
Not documented
Yearly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Not documented
Not documented
Source rating
No rating recorded
3.1 / 5 · 13 ratings
Catalog views
108
1k
Estimated monthly traffic
11.4M
—
Catalog imported
31 Aug 2026
30 Aug 2026
Listed strengths
- Highly customizable browsing
- Automatic tracker blocking
- Enhanced user privacy
- Focus mode for productivity
- Features like tab groups
- Smart summarization tool
- Generates blog posts/articles
- Multimedia content creation
- SigmaGPT pre-installed extension
- Incognito mode
Listed limitations
- Not supported on Windows 8.1 and below
- Not supported on macOS 10.14 and below
- Requires download of ESR for older systems
- No direct PDF editing in browser
- Importing data from another browser may not be seamless
- Content generation limited to text
- Possible overload of functionalities
- Limited extension support
- SigmaGPT reliance
- Potential security concerns for data synchronization