ChatGPT is your AI chatbot for everyday use. Chat with the most advanced AI to explore ideas, solve problems, and learn faster. On July 18, 2024, OpenAI released GPT - 4o mini, a smaller version of GPT - 4o which replaced GPT-3.5 Turbo on the ChatGPT interface. [8] GPT - 4o 's ability to generate images was released later, in March 2025, when it replaced DALL-E 3 in ChatGPT . Introducing GPT - 4o and more tools to ChatGPT free users We are launching our newest flagship model and making more capabilities available for free in ChatGPT. Install OpenAI GPT - 4o on Windows 11/10. GPT - 4o helps in generating text content or code, summarizing information, transcribing audio, analyzing images, etc.