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What is Monica?
Monica is a browser-extension and desktop AI assistant that puts chat, writing help, translation, and summarizing one shortcut away on any page. It routes to multiple underlying models (GPT, Claude, Gemini) and adds page- and PDF-aware tools, positioning itself as a convenience layer over the big chatbots.
Key features
- Chat sidebar available on any website
- Access to multiple models (GPT, Claude, Gemini) in one place
- Summarize pages, PDFs, and YouTube videos
- Inline writing and translation help as you type
- Prompt library and one-click tools
How to get started
- Install the Monica extension or desktop app
- Open the sidebar with a shortcut on any page
- Ask questions, summarize, or rewrite selected text
- Switch underlying models depending on the task
Use cases
- Summarizing long articles and PDFs while browsing
- Quick rewrites and translations without switching tabs
- Comparing answers across different models
- Everyday assistant tasks in the browser
Monica vs. alternatives
| Tool | How it compares |
|---|---|
| Monica | All-in-one AI assistant that follows you across every website and app. |
| ChatGPT | The standalone assistant many of these wrappers build on top of. |
| Perplexity | Search-first assistant that cites a source for every answer. |
FAQ
Is Monica free to use?
Monica's plans: Free plan, plus paid Pro. Pricing and free-tier limits change over time, so check the official site above for the latest details.
What is Monica used for?
All-in-one AI assistant that follows you across every website and app.
Who is Monica best for?
Monica is a good fit for summarizing long articles and PDFs while browsing, or quick rewrites and translations without switching tabs.
What are the alternatives to Monica?
Commonly compared alternatives include ChatGPT and Perplexity, see the comparison above for how they differ.
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PLast reviewed: 2026-08 · Reviewed by AIKetra editors · How we evaluate tools