OpenAI has launched GPT-4o on May 18, an advanced version of its artificial intelligence system, ChatGPT. GPT-4o, where 'o' stands for 'omni', offers enhanced performance and smarter interactions compared to previous models. It is designed to elevate business solutions with cutting-edge technology. Researchers have found that GPT-4o outperforms humans in cognitive reflection tests and reasoning tasks, showcasing significant advancements in AI capabilities. The new model also exhibits improved ability to mimic human emotions and behavior, making interactions more natural. Additionally, GPT-4o is integrated into the ChatGPT iOS app, enhancing its usability on mobile platforms.