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

OpenAI's newly released o3 and o4-mini models have shown increased hallucination rates and fabricated actions in testing, ...

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

Recklessness and greed, when combined with a total lack of empathy, are a dangerous mix in the top tiers of finance.

Mini has a little work to do on the Countryman S All4's technology, but there are still things we like about this small SUV.