Lex

Lex is an AI-powered, web-based word processor for creators, students, solopreneurs, and teams who want a clean editor with built-in help for drafting and revising.

Key capabilities include:

• Ask Lex sidebar for brainstorming, feedback, editing, proofreading, and research support while writing
• Draft acceleration with auto-complete (via the +++ shortcut) and auto-first-draft generation to break writer’s block
• Rewriting and quality checks such as rephrase/rewrite on selected text plus AI Checks for grammar, brevity, readability, clichés, passive voice, and repetition (including custom prompts)
• Collaboration and publishing with live collaborative documents, comments, version history, shareable read-only links, and exports to PDF, Markdown, Word, and HTML

Pricing: Freemium, with a free tier using basic models and a Pro plan that unlocks advanced models (including GPT-4 variants and Claude 3).

What makes it notable: it pairs a minimalist, Google Docs-style writing experience with model selection (from GPT-3.5/Mistral/Llama to GPT-4 and Claude variants), adjustable creativity, saved chat history, and a toggle to show AI-written text for transparency.