At a Glance · AI-generated

OpenAI introduced its o1 model series in September 2024, featuring reasoning-focused large language models designed to tackle complex problems across domains including coding, physics, economics, and genetics. The company released both a full o1 model and a lighter o1-mini variant, emphasizing the models' ability to learn and apply reasoning techniques. In October, OpenAI published details on the models' problem-solving capabilities, followed by safety documentation in December. By mid-December, the company rolled out new developer tools alongside the o1 models to expand their accessibility and application.