Microsoft restricts internal use of Claude Fable 5 over data retention policies (opens in new tab)

Microsoft has restricted its employees from using Anthropic’s new Claude Fable 5 model due to concerns regarding data retention and privacy. While the model remains available to external customers via GitHub Copilot and Foundry, internal access has been removed from the company's model selection tools. This decision follows a change in Anthropic's policy that allows the retention of user prompts and outputs for up to 30 days. <a href="