# clm_9EDDEAB14FED

subject: Microsoft Copilot (/record/microsoft-copilot.md)  
predicate: adopted  
value: [Claude](/record/claude.md)  
valid_from: 2026-03-09  
valid_to: null  
published: 2026-03-09  
recorded: 2026-10-31  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> Claude is now available in mainline chat in Copilot via the Frontier program, alongside the latest generation of OpenAI models.

What https://blogs.microsoft.com/blog/2026/03/09/introducing-the-first-frontier-suite-built-on-intelligence-trust/ says, word for word.

## Sources

- https://blogs.microsoft.com/blog/2026/03/09/introducing-the-first-frontier-suite-built-on-intelligence-trust/ (primary, Microsoft, published 2026-03-09)

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