Microsoft is bringing OpenAI’s o1 reasoning model to all Copilot users this week. You won’t need to subscribe to a $20 monthly Copilot Pro or ChatGPT Plus plan to get it either, as Microsoft is making it free for all users of Copilot.

Microsoft Corporation (MSFT) launched the highly popular DeepSeek R1, a powerful AI model, on its Azure cloud platform GitHub for developers.

Investors punished Microsoft with a 6% share drop on Thursday as hefty AI bets failed to drive a big increase in its cloud revenue, while Meta rose 4% after CEO Mark Zuckerberg assured Wall Street about growth with promises of a "really big year".

Microsoft on Wednesday forecast disappointing growth in its Azure cloud computing business, sending its shares down more than 5% as investors worry about big spending, elusive artificial intelligence revenue and growing competition from cheaper AI models from China.

By Aditya Soni and Deborah Mary Sophia (Reuters) -Days after Chinese upstart DeepSeek revealed a breakthrough in cheap AI computing that shook the U.S. technology industry, the chief executives of Microsoft and Meta defended massive spending that they said was key to staying competitive in the new field.

The tech giants on Wednesday talked up their AI strategies and said they are sticking with ambitious investments in the technology despite the investor panic this week over the ri

Key tech stocks were a mixed bag in early trading Thursday after executives at Meta and Microsoft said they plan to keep pouring billions of dollars into AI – despite lingering anxiety over the launch of China-based DeepSeek’s AI model.