Chub

Chub (Chub AI / Chub Venus) is a community platform and repository for creating, sharing, and interacting with artificial intelligence virtual characters for interactive storytelling and roleplay. The platform functions as an open character hub where creators publish structured character cards featuring detailed personality prompts, scenario backgrounds, and behavioral rules. The system supports standard character card formats, Lorebook integration for persistent world context, and flexible connections to diverse backend language models via external APIs or native hosted models. The web interface offers granular control over system prompts, generation parameters, context window management, and dynamic character avatar expressions. The platform serves interactive fiction writers, character creators, and conversational roleplay enthusiasts. The pricing model operates on a free tier with usage limits alongside paid monthly subscription levels that provide unlimited messaging and access to dedicated cloud models.