The monopoly is over! Claude 4.6 as MS Co-Pilot
Microsoft (MS) continues to make strategic choices while maintaining a close relationship with OpenAI. In March 2026, Microsoft significantly revamped the Co-Pilot ecosystem. Anthropic's latest model, Claude 4.6, a competitor's AI model, has begun to be selectively installed and publicly applied to Co-Pilot.
Why did Microsoft choose Claude?
Industry insiders analyze that Microsoft is seeking strategic diversification. A multi-LLM strategy was adopted to reduce dependence on open AI and flexibly respond to rapid changes in the AI market.
Claude 4.6, what's different?
Long-term document processing capabilities Claude boasts a very long context window. It excels at analyzing and summarizing hundreds of pages of legal contracts or entire technical documents at once.
Thoughtful and balanced answer Rather than unconditionally agreeing on a specific topic, we tend to present diverse perspectives and honestly state that we do not know about uncertain information.
Smooth Creative Writing Demonstrates a unique writing style and sensitivity in creative writing, including novels, screenplays, and marketing copy.
What changes are there from the user's perspective?
Now you can choose and use the optimal AI depending on the type of work. Choose GPT-4o for coding and data analysis, Claude 4.6 for long document reviews or legal advice, and so on. Integration with Office 365 products such as Microsoft Teams, Outlook, and Word will also be expanded sequentially.
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