Microsoft Copilot Now Runs Claude and OpenAI Models

March 15, 2026

Microsoft Copilot Now Runs Claude and OpenAI Models

Published: March 15, 2026 at 12:31 AM

Updated: March 15, 2026 at 12:31 AM

100-word summary

Microsoft just opened Copilot beyond its own AI. Wave 3 adds Claude and OpenAI models alongside Microsoft's own, letting Copilot pick the right brain for each task. The bigger shift is Copilot Cowork, which handles multi-step jobs that span hours or days instead of single-shot answers. Ask it to compile a quarterly report and it coordinates across Word, Excel, and Outlook without you babysitting each step. It arrives May 1 in the new Frontier Suite bundle at $99 per user monthly, which includes Agent 365 for IT teams to monitor what these AI assistants are actually doing across your company. Research preview customers get early access, but everyone else waits...

What happened

Microsoft just opened Copilot beyond its own AI. Wave 3 adds Claude and OpenAI models alongside Microsoft's own, letting Copilot pick the right brain for each task. The bigger shift is Copilot Cowork, which handles multi-step jobs that span hours or days instead of single-shot answers. Ask it to compile a quarterly report and it coordinates across Word, Excel, and Outlook without you babysitting each step. It arrives May 1 in the new Frontier Suite bundle at $99 per user monthly, which includes Agent 365 for IT teams to monitor what these AI assistants are actually doing across your company.

Why it matters

Research preview customers get early access, but everyone else waits two months.

Sources