kitio.aiMicrosoft Edge vs Sigma Browser
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Microsoft Edge is completely free, while Sigma Browser is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Copilot sidebar
- Multi-tab comparison
- AI tab organization
- Image generation
- AI theme generator
- Scareware blocker
- Browser AI agent
- On-device Eclipse model
- Chat with page
- Deep research
- Image generation
- Built-in ad blocker
| Feature | Microsoft Edge | Sigma Browser |
|---|---|---|
| Best for | Microsoft's web browser with Copilot built into every tab | Privacy-focused browser with an AI agent and an on-device model |
| Category | Productivity | Productivity |
| Pricing model | Free | Freemium |
| Starting price | Free | $10/mo |
| Free plan | Yes, fully free | Yes |
| Made by | Microsoft | Sigma |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: Image generation.
Pricing compared
Microsoft Edge is completely free, while Sigma Browser is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- AI chat on all platforms
- Text, image and file analysis
- Limited AI agent access
Plus
$10/mo
- Unlimited prompts
- Unlimited text writer
- 50x more file uploads
Pro
$75/mo
- Unlimited file uploads
- Unlimited web search
- Unlimited image generation
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Microsoft Edge
- Free with Copilot included
- Supports Chrome extensions
- Efficiency modes save battery
- Requires a Microsoft account for many features
- Personalized help relies on browsing history
- Frequent prompts toward Microsoft services
Sigma Browser
- Local model keeps prompts on device
- Agent completes tasks on web pages
- Free tier available
- Agent access limited on the free plan
- Pro plan costs $75/mo billed monthly
- No Android version listed
Which one should you choose?
Choose Microsoft Edge if you want:
- Free with Copilot included
- Supports Chrome extensions
- Efficiency modes save battery
Watch out: requires a microsoft account for many features.
Choose Sigma Browser if you want:
- Local model keeps prompts on device
- Agent completes tasks on web pages
- Free tier available
Watch out: agent access limited on the free plan.
Microsoft Edge vs Sigma Browser FAQ
What is the difference between Microsoft Edge and Sigma Browser?
Microsoft Edge: Microsoft's web browser with Copilot built into every tab. Sigma Browser: Privacy-focused browser with an AI agent and an on-device model. Both are productivity tools.
Is Microsoft Edge or Sigma Browser cheaper?
Microsoft Edge is completely free, while Sigma Browser is freemium.
Do Microsoft Edge and Sigma Browser have free plans?
Microsoft Edge: Yes, fully free. Sigma Browser: Yes.
Who makes Microsoft Edge?
Microsoft Edge is made by Microsoft, based in United States.
Who makes Sigma Browser?
Sigma Browser is made by Sigma.
Which should I choose, Microsoft Edge or Sigma Browser?
Choose Microsoft Edge if you value free with copilot included and supports chrome extensions. Choose Sigma Browser if you value local model keeps prompts on device and agent completes tasks on web pages.