Tom Warren is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 years.Microsoft made OpenAI’s o1 reasoning model free for all Copilot users last month, and now it’s providing unlimited use of this model and Copilot’s voice capabilities to everyone. Previously, both Think Deeper (powered by o1) and Voice in Copilot had limits for free users, but Microsoft is removing these today to allow Copilot users to have extended conversations with th...