In response to pressure from rivals including Chinese AI company DeepSeek, OpenAI is changing the way its newest AI model, o3-mini, communicates its step-by-step “thought” process. On Thursday, OpenAI ...

OpenAI on Friday launched a new AI “reasoning” model, o3-mini, the newest in the company’s o family of reasoning models. OpenAI first previewed the model in December alongside a more capable system ...

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’s latest reasoning model, o3 mini, is now official, with the company’s CEO, Sam Altman having recently shared details about the technology on X. He noted the model should be ready for rollout ...

OpenAI has released a new proprietary AI model in time to counter the rapid rise of open source rival DeepSeek-R1 — but will it be enough to blunt the latter's success? Today, after several days of ...

OpenAI today made its o3-mini large language model generally available for ChatGPT users and developers. Word of the launch leaked a few hours earlier. According to Wired, OpenAI brought o3-mini’s ...

The new model, called GPT-4o Mini, launches today. The new model, called GPT-4o Mini, launches today. OpenAI is releasing a lighter, cheaper model for developers to tinker with called GPT-4o Mini. It ...

OpenAI on Thursday will launch a new AI model, "GPT-4o mini," the artificial intelligence startup's latest effort to expand use of its popular chatbot. The company called the new release "the most ...

Back in August 2025, when OpenAI unveiled GPT-5, it also introduced GPT-5 Mini and GPT-5 Nano, two smaller language models designed for high-volume workloads. Since then, OpenAI has rolled out several ...