A mere two days after announcing GPT-4.1, OpenAI is releasing not one but two new models. The company today announced the public availability of o3 and o4-mini. Of the former, OpenAI says o3 is its ...
OpenAI has released two compact models in its GPT‑5.4 family, branded GPT‑5.4 mini and GPT‑5.4 nano, and is promoting them as ...
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 ...