Microsoft is taking an aggressive step towards lowering the price of top tier AI reasoning, placing what appears to be unlimited access to OpenAI’s o1 model directly within Copilot’s new “Think Deeper” feature. What’s important here is the word “free”: OpenAI released the o1 model in December, and company chief executive Sam Altman promised that it would be the most powerful model available. But it came with a catch: two subscriptions. OpenAI’s...