OpenAI surprised the world yesterday afternoon by announcing not "Strawberry" as rumored, nor GPT-5, but a new family of "reasoning" large language models (LLMs) called o1 that aims to offer high ...

On the ninth day of its holiday-themed stretch of product announcements known as "12 Days of OpenAI," OpenAI is rolling out its most advanced model, o1, to third-party developers through its ...

OpenAI on Thursday announced GPT-5, its latest and most advanced AI model. The company said the model is smarter, faster and more useful, particularly across domains like writing, coding and health ...

OpenAI has introduced GPT-5-Codex-Mini, a cost-efficient model offering 4x the usage with only a minor drop in performance. Back in September, OpenAI announced GPT-5-Codex, a new GPT-5 model that is ...