The Internet, reimagined.

Cleo is a personal, intuitive, agentic way to use the web. Talk to your tabs, connect your tools, and browse the web like a human.

Download for Mac

Apple Silicon • macOS 11+

A More Human, Agentic Web

The way we use the internet has changed. The browser hasn’t.

We’re building augmented browsing: a browser that works with you, helping you navigate the internet through an interface that feels intuitive, natural, and agentic.

Our Principles

We believe the future of browsing should be:

Personal

The internet should adapt to you, understand your context and goals. It should feel like yours.

Discoverable

The internet is massive, but most of us stick to the same handful of sites. Imagine a browser that helps you discover useful tools and resources you didn’t know existed.

Natural

Simply say “Summarize this” or “Compare these pages.” No extensions or developer skills needed.

Integrated

Your browser should speak the same language as your other tools, connecting seamlessly with your workflow.

Agentic

Why do everything manually when the browser can help?

We’re building a browser that doesn’t just show you the web; it works with you, and sometimes for you.

What's in this version?

AI tabs that understand your navigation context. Compare, analyze, and summarize pages, to help you work more effectively.

Cleo Browser Interface

Analyze & Summarize

Get key insights from articles, compare information across tabs, and extract data in clean, exportable formats.

Context-Aware Help

Check your email for urgent items, compare prices across sites, and organize information the way you need it.

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