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

According to internal tests, newer models like o3 and o4-mini hallucinate significantly more than older versions, and OpenAI doesn't know why.

Driven by his son's rare disease diagnosis, Microsoft developer Julian Isla founded Foundation 29 to leverage AI in ...

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

However, according to OpenAI’s internal tests, these new o3 and o4-mini reasoning models also hallucinate significantly more ...

You would think that the number of hallucinations would decrease over time, but according to internal tests from Open AI, the ...

Comparing AI reasoning abilities reveals OpenAI's o1 model surpasses DeepSeek's R1 in generating accurate, sentence-level ...

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

AI is transforming SaaS pricing from traditional per-seat licenses to usage-based, pay-as-you-go plans, driven by the rise of ...

OpenAI's reasoning AI models are getting better, but their hallucinating isn't, according to benchmark results.

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

That's the finding of eye-opening preprint research into simulated reasoning (SR) models, initially listed in March and ...