Lex AI

What if your writing tool could not only keep up with your thoughts, but also elevate them?

RecommendedLex is a premium AI-powered word processor that streamlines the writing and editing process with intelligent assistance and robust collaboration features, ideal for individuals and teams focused on high-quality content creation.

Lex is an AI-powered word processor designed to enhance writing with intelligent editing tools. It offers a minimalist interface for focus, real-time AI feedback, and collaborative features, making it a comprehensive solution for drafting and refining documents.

Visit Lex AI

Visit Lex AI

Key Features:

AI Feedback: Brainstorm ideas, get feedback, or rewrite content.
Live Collaboration: Real-time co-editing with shared links.
Version Control: Track changes and create named save points.
Mobile Web: Collaborate from any device without app downloads.
Publishing: Generate read-only links for easy sharing.

Pros

Marketers needing to quickly iterate on drafts and improve content quality.
Writers seeking real-time AI assistance for brainstorming, feedback, and rewriting.
Teams requiring collaborative document editing with advanced version control and publishing options.

Cons

Advanced AI models are primarily available with a Pro subscription.
While collaborative, specific team management features like unlimited group folders are part of Lex Teams.
The platform's focus is on writing and editing, not comprehensive project management.

Pricing

freemiumFree tier

Starting at:$14.99/month billed annually ($179.88/year) for Lex Pro; monthly billing option also shown

Free tier:Free sharing and collaboration on Lex documents is stated on the pricing page; broader free-plan limits were not shown.

Price verified on the live site 2026-07-12 · pricing page

Categories:

Writing & Content Productivity & Workflow Presentations & Documents

Tags:

AI writing assistant document editor collaboration tool AI feedback version control content creation marketer tools writer tools

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Quick Decision

Try if: You are a writer or marketer looking for a minimalist, collaborative document editor with powerful, integrated AI tools for feedback, brainstorming, and rewriting, and you value privacy regarding your content.

Skip if: You primarily need a basic word processor without AI features, or you require extensive project management capabilities beyond document collaboration.

Not for: Users who prefer a traditional word processor without AI integration.; Individuals primarily focused on graphic design or complex data analysis.

Trust Signals

Users
300,000+
Team Size
small

Notable Customers

Amanda Natividad, VP Marketing at SparkToro

Tech Details

Platforms

webiOS

Integrations

Kit (formerly ConvertKit)

AI Model
OpenAI, Anthropic, TogetherAI (GPT 4.1, Claude 4 Opus & Sonnet for Pro users)

Open Source

Support

Channels

Company

Name
Lex, Inc.

Lex, Inc. provides an AI-powered word processor designed to enhance writing and collaboration.

FAQ

What is the benefit of upgrading to Lex Pro?

Lex Pro offers access to advanced AI models like GPT 4.1 and Claude 4 Opus & Sonnet, early access to new features, and priority email support. These premium models significantly improve the quality of AI assistance.

Is my writing used to train Lex's AI models?

No, Lex explicitly states that it does not use your writing to train its language models. It uses enterprise APIs from OpenAI, Anthropic, and TogetherAI, which provide stronger privacy protections.

Can I use Lex with my team?

Yes, sharing and collaborating on Lex documents is free. For extensive team collaboration, Lex Teams offers unlimited group use of Lex folders.

What kind of writing is Lex designed for?

Lex is designed for any writing that goes through an edit process and needs to be high quality, such as academic papers, customer-facing copy, important emails, and fiction writing.

Does Lex offer refunds?

Yes, Lex offers a full refund within 10 calendar days of your initial subscription purchase. If you don't love Lex after a month, you can reach out for a refund.

Use Cases

Marketers needing to quickly iterate on drafts and improve content quality.
Writers seeking real-time AI assistance for brainstorming, feedback, and rewriting.
Teams requiring collaborative document editing with advanced version control and publishing options.