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 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 ...

Last week, OpenAI CEO Sam Altman teased that he was dropping a new feature. Paired with reports and spottings of new model art, many speculated it was the long-awaited release of the GPT-4.1 model. It ...

First reported by TechCrunch, OpenAI's system card detailed the PersonQA evaluation results, designed to test for hallucinations. From the results of this evaluation, o3's hallucination rate is 33 ...

Since the launch of OpenAI's powerful proprietary large language model (LLM) GPT-4 in March 2023 — 18 months ago — users and developers have wondered about when the company that kicked off the ...