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Statement on US government directive to suspend access to Fable 5 and Mythos 5

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Re: Statement on US government directive to suspend access to Fable 5 and Mythos 5

#44
For large corporates and other entities of any size, the threat of the core of your infrastructure getting suddenly disabled because of something like this is going to be untenable. I predict the pressures for on-prem, offline access (whether by licensing weights or getting them in a restricted setting like TEE/CC) will be overwhelming and one the players will fill the need.

Re: Statement on US government directive to suspend access to Fable 5 and Mythos 5

#45
I already gave up on Fable 5 because it sometimes was just not worth the editional price compared to Opus 4.8 and other times it flat out downgraded to Opus anyways for no good reason because it thought I'm looking for security vulnerability while working on the auth part of my app. In our company Fable 5 is not enabled because of the change in data retention being required.

And now this. How would they even enforce this restriction when they can't know what nationality the end user behind some API query belonging to a company account has? It seems like nobody is thinking things through anymore and the end result is total unreliability from every angle. What a huge mess all of it, sigh.

Re: Statement on US government directive to suspend access to Fable 5 and Mythos 5

#47
post #19

> We have reviewed the report and validated that the level of capability displayed there is widely available from other models (including OpenAI’s GPT-5.5), and is used every day by the defenders who keep systems safe. We will share more details over the next 24 hours. So much for all of the rhetoric about Mythos supposedly far surpassing GPT 5.5 (edit: in cybersecurity, in particular). Of course, the AISI benchmarks…

This is about the specific capabilities that the government called out, not Fable's overall capabilities. My personal experience, having used Fable this week for an extremely complex task, is that it is head and shoulders more powerful than any other model, at least for software engineering.

Re: Statement on US government directive to suspend access to Fable 5 and Mythos 5

#49

> The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees. The net effect of this order is that we must abruptly disable Fable 5 and Mythos 5 for all our customers to ensure compliance. How will this be implemented/ve…

It can’t be; that’s why they shut it off for everybody.
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