AI startup OpenAI introduced a new AI model called "GPT-4o mini" on Thursday, marking the company's latest effort to expand the usage of its popular chatbot.This mini AI model is a derivative of GPT-4o, which is the fastest and most powerful model released by OpenAI, capable of processing audio, video, and text in 50 different languages.The "o" in the model stands for omniscience, with OpenAI planning to integrate images, videos, and audio into it in the future.According to OpenAI's public test