Claude Fable 5.1 available in GitHub Copilot, with data retention by default

Claude Fable 5.1 is available on Copilot Pro+, Max, Business and Enterprise. Unlike other Claude models in Copilot it requires data retention so Anthropic can run safety classifiers. Eligible enterprises can use zero data retention through the end of 2026.

Who is affected:

Copilot organizations with zero data retention requirements.

What to do:

Copilot admins: review the data retention terms before enabling the Fable 5.1 policy.