Chuck is Casey's Homemade Undeniably Charming Knowledge-base, a customizable animated AI assistant, companion, and coach!

Powered by ChuckOS and ChatGPT, Chuck features powerful capabilities called Skills, which allow you to open tools like a task timer, meal planning, image generation, or even a virtual compass to lead your way. Chuck's voice, personality, appearance, background, and even memory are fully customizable, allowing each Chuck to be perfect for you. Chuck has unique chat features like animated avatars, message reactions, long term memory, and fast realistic custom voices.

Turn on Super Genius Mode to use an advanced reasoning AI model like GPT-5 Thinking to solve your hardest questions.

Chuck has the ability to analyze file attachments, images, locations, and can even set calendar reminder!