A discrepancy between first- and third-party benchmark results for OpenAI's o3 AI model is raising questions about the ...

The FrontierMath benchmark from Epoch AI tests generative models on difficult math problems. Find out how OpenAI’s o3 and ...

The rave reviews OpenAI's latest models have been winning come with an asterisk: Experts are also finding that they're ...

OpenAI admitted that it can be confusing for users to choose between all the different models, but the company has quietly ...

OpenAI delivered advanced ChatGPT reasoning models this month that are more capable than o1, but they also hallucinate more.

A new study examines how well large reasoning models evaluate AI translation quality and finds that reasoning alone does not ...

Learn how OpenAI's o3 and o4 models are setting new standards in generative AI, empowering businesses, developers, and ...

OpenAI is streamlining its AI model lineup, retiring popular models like GPT-4 and GPT-4.5, all in anticipation of the launch ...

OpenAI's latest AI models tend to make things up — or "hallucinate" — substantially more than earlier versions.

If you’ve used an AI model, you’ve most likely seen it hallucinate. This is when the model produces incorrect or misleading ...

OpenAI says its latest models, o3 and o4-mini, are its most powerful yet. However, research shows the models also hallucinate ...