OpenAI has launched its new flagship reasoning models, o3 and o4-mini, which achieve state-of-the-art performance and support full tool access. As expected, OpenAI today announced o3 and o4-mini, its ...

OpenAI’s o3 and o4-mini models are available now to ChatGPT Plus, Pro, and Team users. Enterprise and education users will get access next week. OpenAI has rolled out two new AI models, o3 and o4‑mini ...

OpenAI has unveiled its latest AI models, o3 and o4-mini, representing a pivotal advancement in artificial intelligence. These models introduce enhanced reasoning, seamless tool integration, and ...

OpenAI announced on Wednesday the launch of o3 and o4-mini, new AI reasoning models designed to pause and work through questions before responding. The company calls o3 its most advanced reasoning ...

OpenAI is slowly inviting selected users to test a whole new set of reasoning models named o3 and o3 mini, successors to the o1 and o1-mini models that just entered full release earlier this month.

OpenAI has launched two new smaller AI models, the GPT-5.4 mini and GPT-5.4 nano. These are lighter and faster models, which are designed for handling large numbers of requests at lower costs. Here's ...