Microsoft Adds Claude To Vet Copilot Outputs

Microsoft on March 30, 2026 announced a new Critique feature for Microsoft 365 Copilot that uses Anthropic’s Claude to review and correct responses generated by OpenAI’s GPT inside Copilot Researcher. Microsoft says the multi-model workflow improved performance by 13.8% on the DRACO benchmark and also introduced Copilot Cowork in early access via its Frontier program. The update aims to raise answer accuracy and enterprise trust.