ComfyAI

ComfyAI is an online AI chat platform centered around private conversations with persistent memory and customizable AI characters. It is designed for users seeking an AI chat experience that goes beyond generic responses, emphasizing distinct personalities and direct answers. The service allows anyone to start chatting with AI immediately without requiring an account, while signing up unlocks features such as account-backed chat history, persistent memory, and the ability to create or interact with AI characters that maintain a specific point of view.

A key feature of ComfyAI is its focus on memory and personality. With memory enabled for signed-in users, the AI can recall and use relevant context from earlier conversations, supporting ongoing and context-aware interactions. Users can shape the personalities of their AI characters, defining traits such as being sharp, gentle, or direct, and these characters are intentionally designed not to simply agree or flatter. Instead, they respond from their defined perspective, offering honest feedback and engaging as distinct entities rather than generic assistants. Example use cases include sparring for feedback, practicing interviews, making decisions, and receiving candid advice.

The platform operates entirely online, with no software installation required. Guest chat is available instantly, and creating a free account provides access to enhanced features. ComfyAI uses its own AI models, currently 35B and 122B parameter models, which are free to use without a daily message cap. Paid options are available, unlocking additional capabilities such as access to larger models, increased character and group chat limits, more character slots, and cosmetic features.

Privacy is a central consideration for ComfyAI. All primary chat data is stored on hardware owned by the service in Austria, under EU jurisdiction, and the platform states that it does not sell user data or use chats to train its models. Optional features, such as web search or BYOK (bring your own key) providers, may process selected data outside the main setup, with these routes clearly labeled within the product. ComfyAI is developed by a two-person team and is currently in its alpha stage, with ongoing feature development and direct feedback channels for users.