Lexikon AI creates personalized AI companions from your conversations, allowing for authentic interactions and practice for important discussions, while prioritizing privacy.

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For former Lexikon AI users who want to save or reuse their AI personas and chat history, the site now provides a data export. Lexikon AI has shut down, and new accounts can no longer be created, so it is not currently an option for people looking to start chatting or make a new persona. Before closing, Lexikon AI let users create AI personas from screen recordings of text conversations in messaging apps such as iMessage, WhatsApp, Slack, and Discord. The personas were designed to reflect details and communication styles from those chats. Users could create multiple personas for personal conversations or practice scenarios, such as preparing for a difficult discussion or work meeting. Existing account holders can sign in to download stored persona data and chats as a ZIP file, with personas provided as character cards, prompts for ChatGPT, Claude, or Gemini, and raw data.

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