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Instantly add AI to any site

Work smarter right in your browser. Instead of copying content to ChatGPT, our Chrome extension lets you @ mention any tab and use AI where you already are – whether you're reading docs, reviewing PRs, or comparing options.

How Cosurf Works

1

Choose your sources

Pick the tabs you want to learn more about. Each page adds to your research.

2

Ask anything

Curious about what you're reading? Ask questions about any selected page.

Cosurf

3

Get insights

Cosurf will give you comprehensive answers drawn from the tabs you've selected.

Pricing

Start small or go all-in—there's a plan for you.

Essential

Everything you need to enhance your browsing with AI.

$12/month
  • Access AI across any website with @ mentions and text selection
  • Analyze content from multiple tabs simultaneously
  • Encrypted messaging with enterprise grade security
  • 500 AI messages per month
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Pro

Unlock unlimited potential with custom workflows and more capacity.

$20/month
  • Access AI across any website with @ mentions and text selection
  • Analyze content from multiple tabs simultaneously
  • Encrypted messaging with enterprise grade security
  • Configure custom AI behaviors for different websites
  • 2,500 AI messages per month

Frequently Asked Questions

Find answers to common questions about Cosurf

Ready to get started?

Sign up today and supercharge your browser with AI.