Microsoft has started rolling out a major AI update for Copilot users. The company is adding OpenAI’s GPT 5.2 model as a free upgrade.
The update is available on the web, Windows, and mobile apps. Microsoft confirmed the rollout on December 29, 2025. This move brings stronger AI tools to millions of users at no extra cost.
The new model appears as a new mode called Smart Plus. It works alongside the existing Smart mode, which uses GPT 5.1.
GPT 5.2 to Copilot: Microsoft Upgrades Copilot With GPT 5.2 Smart Plus Mode
GPT 5.2 is OpenAI’s most advanced model so far. It focuses on better reasoning, higher accuracy, and faster output. Microsoft says users will notice smarter and more helpful responses across daily tasks.
Smart Plus mode gives users access to these new abilities instantly.
Key features of GPT 5.2 in Copilot:
- Free upgrade for Copilot users
- Available on web, Windows, and mobile
- New Smart Plus mode added
- Faster and deeper reasoning
- Better results for work tasks
GPT 5.2 performs well in real-world jobs. It can help create presentations, spreadsheets, reports, and plans.
In tests, the model matched or beat human experts in many professional tasks. It also completed work much faster and at a very low cost.
The model also reduces mistakes. Microsoft reports fewer factual errors compared to GPT 5.1. This makes answers more reliable.
Also read about: Microsoft and OpenAI Restructure Deal for Restructuring OpenAI
Better Performance, Enterprise Support, and Wide Availability
GPT 5.2 shows strong gains in technical tasks. It handles coding, math, and science problems with higher accuracy. It can also read and analyze very large documents.
Performance improvements include:
- Better software coding results
- Higher scores in math and science tests
- Lower error rates
- Support for long documents
- Strong reasoning for complex questions
The model supports a large context window. This helps users work with long files, emails, and code.
Microsoft has also added GPT 5.2 to Microsoft 365 Copilot. Business users can use it across meetings, emails, and documents. The model connects with workplace data to give smarter suggestions.
Availability details:
- Rolling out to all Copilot users
- Microsoft 365 users already getting access
- Copilot Studio supports custom AI agents
- Multiple modes for speed or deep thinking
GPT 5.2 comes in different versions. These include Instant, Thinking, and Pro, each made for different needs.
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