AI Fiesta

AI Fiesta, built by Y Combinator alumni, is a unified chat platform that gives users access to more than 9 premium AI models, including ChatGPT, Claude, Gemini, Perplexity, DeepSeek, and Grok, under a single subscription, allowing side-by-side response comparison for faster and more accurate answers. It offers Super Fiesta, which automatically selects the most suitable AI model for a given query, along with image generation and audio transcription capabilities. AI Fiesta includes Avatars for interacting with historical figures or expert advisors, mental-challenge Games, Custom Projects with tailored system instructions for consistent outputs, and prompt enhancement and memory features. It is available as dedicated iOS and Android mobile apps alongside the web platform, with active development including recently introduced features like Avatars. Pricing is a paid subscription at $12/month (with a discounted annual option), including 3 million tokens monthly, with premium models consuming tokens at a 4x rate; charges are non-refundable except for billing errors or duplicate charges.