Microsoft restricts Claude Fable for employees over data retention concerns
www.theverge.com
Microsoft’s legal teams are evaluating Anthropic’s new data retention changes.
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The original was posted on /r/singularity by /u/BuildwithVignesh on 2026-06-10 19:46:28+00:00.

Access to the powerful Claude Fable 5 model has been halted, particularly concerning its integration into GitHub Copilot, pending internal review.

Core Issue: Anthropic’s updated policy for Mythos-class models dictates that user prompts and generated outputs are retained for 30 days for safety purposes.

This follows a recent pushback against external AI assistants at Microsoft. Earlier in the year, the company canceled most of its internal licenses for the Claude Code assistant.

Source: The Verge