Lex is an AI Writing tool that focuses on collaborative documents and provides powerful AI editing tools to enhance writing quality.

Lex is designed for individuals and teams engaged in collaborative writing, seeking AI feedback, and those who need version control for their documents.

What can I do with Lex?

With Lex, you can collaborate in real-time on documents, receive AI feedback on your drafts, and create personalized style guides to maintain your unique writing voice.

How much does Lex cost?

Lex publishes a custom / contact-sales pricing model — get a quote on their site.

How is Lex different from alternatives?

Lex differentiates itself by offering advanced AI models for writing assistance and features like live collaboration and personalized style guides, which enhance the writing process.

Does Lex have a free trial?

Yes, Lex offers a free trial for users to explore its features and capabilities.

Lex Review: Pricing, Features & Alternatives

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Domain Rating

Monthly Traffic

65K

Traffic Growth

-1.5%

Launch Date

Oct 2022

Est. Revenue

$1M

About Lex

Collaborative documents, with powerful AI editing tools.

Quick facts about Lex

Lex is an AI tool tracked by Relve in the AI SEO Tools category. It uses a Free Trial pricing model and runs on the web at lex.page.

The Relve catalog tracks 200+ live AI tools in this category. Lex currently sees roughly 65K monthly site visitors, with a Domain Rating of 44 on Ahrefs' authority scale.

Closest alternatives: Aisera, Miro, Copy.ai, Taskade Genesis, Raycast. Compare Lex head-to-head with any of these on the /compare surface — same feature axes, pricing tiers, and traffic side-by-side.

Best for: teams looking for ai seo tools-class capabilities with a free trial entry point. The Relve editorial team refreshes traffic, ranking, and feature data for Lex on a rolling 24-hour cycle, so the numbers above reflect the most recent snapshot of where the tool sits in the market.

Key Features

AI Integration

Premium AI models

Lex provides access to advanced AI models such as GPT-5 and Claude 4.1 Opus, which significantly enhance the quality of writing. These models offer higher intelligence and reasoning capabilities, allowing users to produce more refined and effective content.

Pro

AI Feedback

Users can request feedback on their drafts, brainstorm ideas, or ask the AI to rewrite sections. This feature helps enhance the quality of writing by providing constructive suggestions and alternative phrasing.

Chat with AI

Engage in a conversation with the chosen AI model about your writing. This interactive feature allows users to clarify doubts, seek advice, and receive tailored suggestions in real-time.

Style Guides

Train Lex to draft and edit in your unique voice by creating personalized style guides. This feature ensures that the AI's suggestions align with the user's preferred writing style and tone.

Knowledge Bases

Provide your AI assistant with persistent background knowledge to enhance the relevance and personalization of writing assistance. This feature allows the AI to better understand context and deliver more tailored suggestions.

Collaboration

Live Collaboration

Share a document link with others to collaborate in real-time. Users can see each other's edits and contributions instantly, making teamwork seamless and efficient.

Sharing a document

Easily share documents with others for collaboration. This feature allows users to invite others to view or edit their work, enhancing teamwork and feedback.

Track Changes

This feature allows users to see revisions made to documents, similar to Google Docs. It provides a clear view of edits and helps maintain version control during collaborative writing.

Document Management

Versions

Create manual, named save points as you work on your document. This feature allows users to easily revert to previous versions or explore different iterations of their writing.

Rewind

Scrub through and restore previous versions of your document. This feature provides users with the ability to recover earlier drafts and changes, ensuring that no valuable content is lost.

Writing Assistance

Title Ideas

Generate a list of title suggestions with a single click. This feature helps users overcome creative blocks by providing multiple options for titling their work.

Commands

Utilize handy AI shortcuts to find the best words, generate lists of ideas, and more. This feature streamlines the writing process by providing quick access to useful tools and suggestions.

Prompt Builder Guide

Learn how to create custom prompts and checks to address specific writing challenges. This feature empowers users to tailor their writing assistance to their unique needs.

Prompt Library

Browse a collection of expert user-contributed prompts for various writing types, from academic papers to creative scripts. This feature provides inspiration and guidance for users looking to enhance their writing.