In a head-to-head comparison, o3-pro was far less reliable and secure, and reasoned excessively compared to GPT-4o.

A cease-fire between Israel and Iran appeared to be holding on Tuesday, as Israel’s military lifted emergency restrictions imposed during the conflict and Iran’s president hailed “the end of ...

President Trump did not give many details about the deal. Israel did not immediately comment, and Iran, which said it had agreed to the halt, sent a new wave of missiles, killing at least four people.