Alissu: Chat with AI is a mobile app that provides access to the ChatGPT AI models developed by OpenAI. This user-friendly application allows users to interact with ChatGPT-3 and ChatGPT-3.5, offering features like voice-to-text conversion, conversation saving, and model customization. Alissu is not ChatGPT itself but leverages OpenAI's API to bring the latest AI technologies to users on their iPhones.

ChatGPT, developed by OpenAI, offers a wide range of functionalities such as Q&A, content creation, code explanation, language translation, data processing, story creation, sentiment analysis, and more. Alissu acts as a gateway to these powerful AI models, enabling users to explore the vast capabilities of AI technology through a convenient mobile interface.