Lex
AI-powered word processor for serious writers
Lex is a collaborative document editor with built-in AI editing tools aimed at authors and long-form writers. It offers AI feedback, drafting and rewriting backed by leading models from OpenAI and Anthropic, within a clean distraction-free interface.
Key features
- AI editing and feedback in-document
- Collaborative documents
- Access to GPT and Claude models
- Distraction-free writing interface
- Unlimited AI checks on Pro
Pros
- Clean writer-focused UI
- Multiple top models included
- Free trial available
Cons
- Limited permanent free features
- Fewer marketing templates than Jasper
Alternatives to Lex
Sudowrite
AI writing tool built specifically for fiction authors.
Wordtune
AI rewriter that improves tone, clarity and length as you write.
Jenni AI
AI writing assistant for academic and research writing.
Grammarly
AI writing assistant for grammar, tone and clarity everywhere you type.
Compare Lex
Lex FAQ
Is Lex free?
Lex has a free tier you can start with; paid plans start from $17/mo.
How much does Lex cost?
Lex pricing starts from $17/mo. Check the official site for current plans.
What are the best alternatives to Lex?
Top alternatives to Lex include Sudowrite, Wordtune, Jenni AI, Grammarly.
What is Lex best for?
Lex is best for Long-form and fiction writing, Editing and feedback, Collaborative drafting.
Reviewed by the ToolGlance editorial team · Last updated 2026-05-30