In December, OpenAI’s o3 reasoning model became the first A.I. system to pass the test with an 87.5 percent score. But that win didn’t come without a price. At the time, the Arc Prize ...

OpenAI, the artificial intelligence company behind ChatGPT, said it has finalized a funding round that will bring in $40 billion from SoftBank Group Corp. and other investors at a $300-billion ...