Anthropic disables access to Fable 5 and Mythos 5 to comply with government directive

Anthropic said it disabled access to its Fable 5 and Mythos 5 models to comply with an export control directive from the U.S. government.
The U.S. government is actively asserting its influence over advanced AI technologies, particularly those developed by domestic entities, reflecting escalating geopolitical competition and national security concerns.
This event demonstrates a tangible increase in government control over cutting-edge AI, directly impacting the global accessibility and development trajectory of advanced models, and setting a precedent for future interventions.
The ability of leading AI companies to freely deploy their most advanced models globally is now explicitly constrained by government directives, ushering in a new era of state-directed AI development and access.
- · US government
- · US national security agencies
- · Anthropic
- · International AI developers and users (outside US)
- · Open AI ecosystem
Anthropic's Fable 5 and Mythos 5 models are no longer accessible internationally due to US government export controls.
Other leading AI developers will likely pre-emptively self-censor or seek clearer guidance on export control policies for their frontier models, potentially segmenting global AI development.
Nations seeking AI sovereignty will intensify efforts to develop indigenous large language models to reduce reliance on US-controlled technology, accelerating the fragmentation of the global AI landscape.
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Read at CNBC — Technology