OpenAI's o1 reasoning model usually requires a costly subscription, but it's now free to all Microsoft Copilot users. This move follows a surge in popularity for Chinese AI app Deepseek and its free reasoning model earlier this week.

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 is adding OpenAI’s o1 model to its Copilot AI experience as a feature called Think Deeper. It is available for free to all users with a Microsoft account.

Magical' upgrade coincidentally follows M365 price hike Microsoft has made Think Deeper, OpenAI's GPT-o1 reasoning model, "free and available for all users of Copilot."… This is just two weeks after increasing the cost of Copilot-infused Microsoft 365 by $3 per month and the release of DeepSeek R1,

Microsoft has added ChatGPT-o1 for all Copilot users, even on the free tier You'll find a new 'Think Deeper' button in Copilot to access it ChatGPT will be releasing the o3 reasoning model for free users in the coming days Mustafa Suleyman,

Microsoft is making its AI assistant, Copilot, more intelligent and accessible by integrating OpenAI's o1 reasoning model for all users-without requiring a paid subscription. Previously available only to Copilot Pro and ChatGPT Plus subscribers, this advanced AI reasoning model is now free for every Copilot user.