Claude Fable 5 available today in Microsoft Foundry: Powering the next era of autonomous agents
Claude Fable 5, Anthropic’s latest frontier model, is available today in Microsoft Foundry, powering agents in GitHub Copilot and Foundry Agent Service. Claude Fable 5 makes Mythos-level capabilities available to all customers, with strong safeguards designed to make it safe for general use.
Fable 5 is designed for long-running, multi-stage, and asynchronous tasks like complex code refactoring, deep research synthesis, and document-heavy workflows. This elevated level of autonomy changes what teams can ask AI to do. Enterprises can now delegate sophisticated multi-turn projects to agents, enabling them to reason over your organization’s data to solve real problems.
For enterprises, this frontier capability is only part of the equation. To turn autonomy into real business impact, organizations need a platform to evaluate, ground, govern, deploy, and scale these systems in production.
That is where Microsoft Foundrycomes in. Foundry brings Anthropic’s next generation of intelligence into the broader...
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