Welcome to Lex!
Create an account to unlock your best writing.

About Lex

Everything you need to know to get the most out of Lex


Quick Start

Only have a few minutes? Want to quickly learn how to get the most out of Lex?

Click here to watch a short intro video.

Lex Office Hours

Click here for the schedule. Drop in if you’re a new user looking to get started, a power user optimizing your workflow, or if you have questions / feedback!

Essays

High-level thoughts from our team about writing in the age of AI

  • Why don’t more writers use AI? — Compared to programmers, writers hardly use AI. This essay unpacks why, and whether that might change without losing the soul of writing.

  • Writing with AI - Our philosophy and practical examples for using in-line Ask Lex comments.

  • The Lex Method - Our system for becoming a better writer.

Features

  • AI

    • Chat — Chat with your chosen AI model about your writing

    • Checks — Get line-level suggestions highlighted in your document

    • Style Guides - Train Lex to draft and edit in your voice

    • Knowledge Bases — Give your AI assistant persistent background knowledge to provide more relevant, personalized writing help

    • Prompts — A simple guide to accessing and using custom saved AI prompts with your documents

    • Prompt Library - Browse our collection of expert user contributed prompts for every kind of writing, from academic papers to YouTube scripts

    • Default Saved Prompts — A simple overview of saved prompts that come pre-populated in Ask Lex, and what you can do with them

    • Prompt Builder Guide — Learn how to create your own custom prompts and checks to solve specific writing challenges

    • Choosing the Right AI Model — a basic guide for selecting models in Lex

  • Version Control

    • Rewind - Scrub through and restore previous versions of your document

    • Versions - Create manual, named save points as you go

  • Collaboration

Want more? Read the unofficial Lex FAQ (Created by the Lex community, edited by Lex)

Content

Pricing & Plans

  • Pricing FAQ - Answers to common questions about Lex Pro

  • AI Tokens - - Understanding how AI processes text and what it means for your usage

  • Lex Teams - Our collaborative features and team pricing for organizations

  • AI Limits for Free Users - Ask Lex message, Checks, and custom prompt limits on free accounts.

  • Lex vs… - An honest overview of how Lex stacks up against a few services we’re often compared to.

  • Discounts - we offer discounted pricing for nonprofit organizations, students, and academics. If this sounds like you, please email us at [email protected]!

Integrations

  • Lex + Kit Integration - How to connect Lex with Kit (formerly ConvertKit) to improve your newsletter writing process

Developer API

  • We have a simple API! Click here to read the documentation.

Recent Lex Newsletters

  • Click here for a list of ~relatively~ recent Lex newsletters!

Affiliate

  • Want to get paid to promote Lex? Click here to learn more about our affiliate program.

Security & Legal

Can’t find what you're looking for? Email us at [email protected]