Reasoning models like ChatGPT o1 and DeepSeek R1 were found to cheat in games when they thought they were losing.

MCLEAN, Va. (AP) — The average rate on a 30-year mortgage eased to 6.85% this week, Freddie Mac says, the 5th consecutive decline.

BENTONVILLE, Ark. (AP) — Walmart rolls through fourth quarter with strong profits and sales, but outlook points to growing headwinds.