Side-by-side comparison · Updated April 2026
| Description | Lex is a groundbreaking word processor designed to enhance your writing experience, whether you're jotting down quick notes or crafting complex documents. Its standout features include AI feedback for effortless brainstorming and rewriting, keyboard shortcuts for efficient comment navigation, and live collaboration without the need for app downloads. Lex ensures all the details are taken care of, making your writing process smoother and more productive. With helpful AI shortcuts, title suggestions, and upcoming track changes, Lex offers an advanced and user-friendly environment for all writers. | AI Cowriter is an innovative mini-app designed to enhance your writing productivity. By offering realtime suggestions for words and phrases as you type, it acts as your personal AI-powered writing assistant for various text types including blog posts, emails, tweets, and more. Optimized for ease of use, its suggestions appear in grey, ready to be accepted with a simple keystroke. Whether you're struggling with writer's block or aiming to speed up your writing process, AI Cowriter is here to help. Supported by its community through contributions and open-source collaboration, this mini-app is continually improving to meet your writing needs. |
| Category | Writing Assistant | AI Assistant |
| Rating | No reviews | No reviews |
| Pricing | N/A | Free |
| Starting Price | N/A | Free |
| Plans | — |
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| Tags | word processorAI feedbacklive collaborationtitle suggestionstrack changes | AI-poweredwriting assistantrealtime suggestionsblog postsemails |
| Features | ||
| AI feedback on drafts | ||
| Effortless brainstorming and rewriting | ||
| Keyboard shortcuts for comment navigation | ||
| Live collaboration without app download | ||
| AI-generated title suggestions | ||
| Smart shortcuts for finding the best words | ||
| 'Read-only' link for publishing | ||
| Upcoming track changes feature | ||
| Multiple versions management | ||
| Minimalist interface | ||
| Suggests words and phrases as you type | ||
| Support for various text types (blog posts, emails, tweets, etc.) | ||
| Optional controls for topic, writing style, audience, and notes | ||
| Option to start typing or let the AI begin | ||
| Code available on GitHub | ||
| Support for the developer via Buy Me a Coffee | ||
| View Lex | View AI Cowriter | |
Explore more head-to-head comparisons with Lex and AI Cowriter.