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Anthropic disables top-tier AI models after US order limiting foreign access

Anthropic disables top-tier AI models after US order limiting foreign access

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Anthropic has abruptly disabled its most advanced AI models, Fable 5 and Mythos 5, for all users after an export‑control directive required it to block foreign nationals from accessing them for national‑security reasons. The company cut off access worldwide on short notice, following government instructions.

Kirsten Davies
Pentagon
1. Some things are simply more important than revenue cycles, clickbait, and pre-IPO valuation. America First. Always.
David Sacks
White House
1. The Admin wants all of this to happen as soon as possible. It is frankly bewildered that Anthropic hasn't wanted to comply with safety requests that it previously said were its highest priority.
2. The Admin's hope now is that Anthropic remediates the safety issue, the export control is lifted, and Fable goes back into general release.
Gabriel Attal
Renaissance
1. We cannot rely on others because it makes us vulnerable – the decision by the United States proves it. Anthropic is their Strait of Hormuz.
Anthropic
1. These vulnerabilities all appear relatively simple, and we have found that other publicly-available models are able to discover them as well without requiring a bypass.
2. We reviewed a demonstration of this specific technique being used to identify a small number of previously known, minor vulnerabilities.
3. We believe this is a misunderstanding and are working to restore access as soon as possible.
4. If this standard was applied across the industry, we believe it would essentially halt all new model deployments for all frontier model providers.
5. The net effect of this order is that we must abruptly disable Fable 5 and Mythos 5 for all our customers to ensure compliance. Access to all other Anthropic models will not be affected.
6. We disagree that the finding of a narrow potential jailbreak should be cause for recalling a commercial model deployed to hundreds of millions of people.
Aidan Gomez
Cohere Inc
1. I don't think this is partnerly, I don't think this is the right thing to do for the broader technological alliances that have developed over the course of the past 80 years.
2. For anyone who was naive and perhaps hoping that this leverage wouldn't be exerted, it's a massive wake-up call.
Dean Ball
1. This means you should expect to have to prove your citizenship to use Anthropic models.
Jaspreet Bindra
AI & Beyond
1. In cybersecurity, the same model can be both a weapon and a shield.
Neehar Pathare
63SATS Cybertech
1. By pulling these models from the global market, you haven't disarmed the attacker; you have disarmed the defender.
2. The question is not simply access or no access, but who gets access and under what controls...

Anthropic disables top-tier AI models after US order limiting foreign access

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