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

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

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

By OpenAI 's own testing, its newest reasoning models, o3 and o4 -mini, hallucinate significantly higher than o1.

Historically, each new generation of OpenAI's models has delivered incremental improvements in factual accuracy, with ...

OpenAI's new AI models are hallucinating more than their predecessor, as per an internal testing report released by the ...

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 ...

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

According to OpenAI’s internal testing, the new o3 model hallucinated in 33% of cases on the company’s PersonQA benchmark.

OpenAIs latest models, o3 and o4-mini, exhibit higher hallucination rates compared to earlier versions, with o4-mini reaching ...

OpenAI’s newest reasoning models, o3 and o4‑mini, produce made‑up answers more often than the company’s earlier models, as ...