Anthropic restores Claude Fable 5 as US lifts export controls — single filter now blocks prompt that could identify software vulnerabilities and write code to exploit them

Anthropic has restored global access to Claude Fable 5, a day after the U.S. Department of Commerce withdrew the export controls.
The US Department of Commerce has withdrawn export controls, immediately enabling Anthropic to restore global access to its advanced AI model, Claude Fable 5.
This event reflects the dynamic and often rapid shifts in AI regulation and export policy, which directly impact the global availability and competitive landscape of leading AI models.
Global access to Anthropic's Claude Fable 5 is restored, but with a specific filter to prevent its use for identifying and exploiting software vulnerabilities, indicating a post-export control adjustment in the model's capabilities.
- · Anthropic
- · Global AI developers
- · Users of Claude Fable 5
- · Competitors with more restrictive export policies
- · Actors seeking AI for vulnerability detection/exploitation
Increased market penetration and usage of Claude Fable 5 outside the US.
Other AI developers may face pressure to comply with similar safety guardrails to avoid future export restrictions.
The incident could set a precedent for rapid, policy-driven reversals in tech export controls, creating regulatory uncertainty for future advanced AI deployments.
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Read at Tom's Hardware