Microsoft has made Think Deeper, OpenAI's GPT-o1 reasoning model, "free and available for all users of Copilot." ...

The “magnificent seven” are poised to become the “lagnificent seven” as the tailwinds that have propelled US equities higher ...

If you pay for ChatGPT, you now have access to o3-mini. The company's latest reasoning model is on-par with o1-mini in key categories, but improves speed and performance.

Apple and other big U.S. companies reporting fatter profits than expected are helping stock indexes shave off more of their ...