Lex

Lex is an AI-powered writing tool designed to enhance the writing process through intelligent editing and collaboration. It leverages AI models such as GPT-4.1 and Claude 4 Opus & Sonnet via enterprise APIs from OpenAI, Anthropic, and TogetherAI. This architecture prioritizes user privacy, ensuring that user data is not used for model training. Lex offers real-time AI feedback, brainstorming, and rewriting capabilities, streamlining the drafting process. It provides a minimalist interface to minimize distractions, with features like version control, title generation, and keyboard shortcuts to expedite writing tasks. Use cases range from academic papers and customer-facing copy to fiction writing, benefiting from the AI's second pair of eyes.