Microsoft to Default to Claude Models in UK Copilot
11/12/2026 — 11/12, 03:18·1 sources (all)·1 reports (all)
Key takeaways
- Microsoft announced that starting December 9, it will enable Anthropic's Claude models by default for Copilot customers in the UK. Organizat…
Background & analysis
Microsoft will enable Anthropic’s Claude models by default for Copilot customers in the UK from 9 December, according to a report by The Register cited by The Next Web. Richard Speed wrote for The Register that UK organisations which have not chosen a setting by that date will have Claude enabled automatically, while administrators can still turn it off manually. The Register also notes that Anthropic processes that data in the US. As of now, the available material offers no earlier official announcement date, no specific Claude model version involved, and no further details about the switch, such as the scope of affected deployments or the mechanism by which administrators can opt out. The report appears to describe a single upcoming change, with the default taking effect on 9 December and no other milestones disclosed in the source material.
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According to The Register, Microsoft will switch on Anthropic’s Claude models by default for UK Copilot customers starting December 9. UK organizations that have not chosen a preference will have Claude enabled automatically, though administrators can turn it off.
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