Kevin Roose of The New York Times called it “the best artificial intelligence chatbot ever released to the general public”. Released in February 2025, GPT-4.5 was described by Altman as a “giant, expensive model”. In September 2024, OpenAI introduced o1-preview and a faster, cheaper model named o1-mini. On July 18, 2024, OpenAI released GPT-4o mini, […]
