#Mythos

Game designer and Atlantic writer Ian Bogost joins to argue that the true joy of technology is not frictionlessness, but the small sensory pleasures and constraints that keep

Even after receiving evidence that its targets were real and not part of the testing environment, Mythos 5 consistently took unsanctioned actions, UK’s AISI said.

Anthropic and the UK AI Security Institute released separate analyses of Claude Mythos 5's attempt to get malware into a real GitHub project during a July cyber test.…

Soon after Anthropic announced its Mythos model in April and said it was exceptionally good at cybersecurity, security professionals said it was only a matter of time before hackers used similar models to supercharge their own attacks.…

As some of those fears, uncertainties, and doubts about Mythos are starting to feel real, what can we do about it? Paradoxically, I believe that little needs to change in what we’ve been doing for years.

Access to Fable 5 and Mythos 5 barred for foreign nationals immediately following security evaluation

SK Telecom, South Korea's largest wireless carrier, was among roughly 150 organizations added to Anthropic's Project Glasswing in early June

Anthropic may bring Fable and Mythos back online, but the shutdown fired up sovereign AI efforts around the world.

A government export control directive spurred Anthropic to cut off all customer access to its Fable 5 and Mythos 5 AI models.

Anthropic received a US export control directive Friday “to suspend all access to Fable 5 and Mythos 5 by any foreign national,” kicking off a weekend of chaos.

Government concerned that the advanced cyber capabilities of Fable and Mythos would be available 'to people who shouldn’t have them.'

The White House reportedly has suspicions that a China-linked group had access to Anthropic’s powerful Mythos AI.

An alleged jailbreak triggered a national security directive that forced the model to be pulled.

Anthropic's Fable 5 launches June 9 as its first publicly accessible Mythos-class model — 1M context, 128K output, SOTA on coding and long-horizon tasks, at $10

Anthropic confirmed tonight that it has disabled access to Claude Fable 5 and Claude Mythos 5 to all customers, following an export control directive from the US government.

To ensure we’re responsibly deploying Mythos-class models, we are requiring limited data retention and review as part of our safety work. Prompts submitted to, and outputs generated by, Mythos-class models are retained for 30 days for trust and safety…

Today we’re launching Claude Fable 5: a Mythos-class model that we’ve made safe for general use.

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead,...

It says new safeguards make it possible to release a Mythos-class model it previously said was too risky to make public.

Anthropic reports Claude authors 80%+ of code; task-length capability doubles every 4 months. Mythos Preview works 16+ hours autonomously.