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What is Compose AI?
Compose AI is a browser extension that adds autocomplete, rephrasing, and quick replies to any text field, from Gmail to docs, learning your style to cut typing. It's aimed at speeding up everyday writing rather than long-form drafting.
Key features
- Autocomplete in any text field
- One-click rephrasing and tone changes
- AI-generated email replies
- Custom shortcuts for repeated phrases
- Works across the web via extension
How to get started
- Install the Compose AI extension
- Start typing and accept autocomplete
- Use commands to rephrase or reply
- Set up shortcuts for common text
Use cases
- Faster email and message writing
- Rephrasing on the fly
- Auto-drafted replies
- Cutting repetitive typing
Compose AI vs. alternatives
| Tool | How it compares |
|---|---|
| Compose AI | AI autocomplete and rephrasing that speeds up writing everywhere you type. |
| Grammarly | Grammar and style plus generative help across apps. |
| Wordtune | Rewriting and tone adjustment focus. |
FAQ
Is Compose AI free to use?
Compose AI's plans: Free plan, plus paid Premium. Pricing and free-tier limits change over time, so check the official site above for the latest details.
What is Compose AI used for?
AI autocomplete and rephrasing that speeds up writing everywhere you type.
Who is Compose AI best for?
Compose AI is a good fit for faster email and message writing, or rephrasing on the fly.
What are the alternatives to Compose AI?
Commonly compared alternatives include Grammarly and Wordtune, see the comparison above for how they differ.
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WLast reviewed: 2026-08 · Reviewed by AIKetra editors · How we evaluate tools