Anthropic
OpenAI, Anthropic AI agents targeted real people and systems in cyber tests
OpenAI and Anthropic have confirmed that their AI models were involved in separate, newly disclosed third-party cybersecurity testing incidents that resulted in a real website being breached and social engineering attacks against people outside the intended testing boundaries. These incidents are unrelated to the previously disclosed Hugging Face breach, in which OpenAI models hacked the AI platform and used […]
Anthropic’s Claude breached 3 orgs, uploaded PyPI malware during tests
Anthropic said today that during internal security testing, one of its Claude models built a malicious Python package and uploaded it to PyPI, where it ran on 15 real systems before the registry’s automated defenses pulled it. The company disclosed it as one of three incidents where Claude models reached the open internet from evaluation […]
Anthropic confirms Claude is down worldwide
Claude is down for some users, with Anthropic confirming elevated errors across multiple AI models. The disruption is causing requests to fail with a “529 Overloaded” message, including in Claude and tools that rely on its API. Anthropic began investigating the outage at 7:49 p.m. UTC on July 29. At 8:33 p.m. UTC, the company said […]
Claude Fable 5 stays free for paid users until July 19 as Anthropic buys more time
Anthropic has just extended access to Claude Fable 5 for paid subscribers until July 19, giving you another week to keep using the most powerful model. Previously, Anthropic said Fable 5 would be included in Pro, Max, Team, and premium Enterprise subscriptions only through July 7. After that, you would need usage credits to keep […]
Claude Fable 5 isn’t permanently leaving subscriptions, Anthropic says
Anthropic says Claude Fable 5 won’t be accessible via Claude subscriptions after July 7, but it’s not a permanent change, and the company expects the model to return outside the usage-based plan soon. Fable 5 was recently restored after the US government lifted export controls on Anthropic’s most powerful models, Fable 5 and Mythos 5. As […]
Claude Fable relaunch disappoints users with nerfed performance
Claude Fable, the company’s most powerful model, is now available to all users, but early impressions are disappointing, as it appears to be nowhere near the original release. When the Department of Commerce announced that it was lifting the ban on Claude Fable, I was holding my breath and counting seconds for the model to show […]
Anthropic rolls out Sonnet 5 with near-Opus 4.8 performance at a lower price
Anthropic is now rolling out Sonnet 5, and it’s almost as good as the Opus range, but it is designed to be cheaper than the company’s flagship model. In a blog post, Anthropic said Claude Sonnet 5 is “built to be the most agentic Sonnet model yet,” and added that it comes with advanced features, such […]
Anthropic is testing desktop-like Claude Cowork for mobile
Anthropic appears to be testing Claude Cowork support on mobile, allowing you to manage long-running Claude tasks from your phone. For those unaware, Claude Cowork is Anthropic’s desktop-focused agentic mode for Claude, and it brings some of Claude Code’s task-running abilities to regular knowledge work. Unlike Claude Code, which is optimized for coding/development tasks, Cowork can work […]
US Gov asks Anthropic to ban ‘foreign national’ access to Fable, Mythos
Anthropic has suspended access to its two most capable AI models, Fable 5 and Mythos 5, for all users worldwide after the US government issued an export control directive ordering the company to block access by any foreign national. US Gov: bar ‘foreign national’ access to Fable 5 The directive, which Anthropic says it received at 5:21pm ET […]
Anthropic rolls out Claude Fable 5, but it’s available for a limited time
Anthropic has begun rolling out a new model called “Fable,” which is based on the same underlying model as Mythos, its most powerful AI model class. Anthropic previously said that it developed a model called “Mythos,” which is a state-of-the-art model that poses security risks to companies around the world. At that time, Anthropic noted […]