Anthropic’s AI restrictions may finally be starting to thaw. After being forced offline earlier this month over U.S. government security concerns, the company’s most advanced AI models are slowly making a comeback. According to a new report from Axios, Anthropic has already restored Mythos 5 for a limited number of trusted users, while Fable 5 could return as early as next week if ongoing discussions with federal agencies continue to progress.
According to Axios, the U.S. Commerce Department has cleared Anthropic to restore access to Mythos 5, its strongest cybersecurity-focused AI model, for a select group of trusted customers. Unlike Fable 5, Mythos was never broadly available to the public and includes additional guardrails designed to reduce the risk of misuse in areas such as cyberattacks and biological threats.
The bigger prize, however, is Fable 5. Axios reports that the Trump administration is close to lifting restrictions on the model after nearly two weeks of negotiations with Anthropic. The model was pulled just days after launch despite quickly gaining a reputation as one of the industry’s most capable AI systems, particularly for coding and deep reasoning. Developers who had already integrated Fable 5 into their workflows were left scrambling when access disappeared overnight.
Commerce Secretary Howard Lutnick reportedly told Anthropic that the company had made significant progress in addressing government concerns surrounding both Mythos 5 and Fable 5, while Anthropic has agreed to continue working with U.S. agencies on future release protocols. Even so, Axios notes that final approval for Fable 5 still depends on additional agencies, including the Pentagon and the National Security Agency.
Interestingly, the return of Mythos 5 says just as much about AI regulation as it does about Anthropic. The company originally positioned Fable 5 as its flagship public model, while Mythos 5 is effectively a more tightly controlled variant with additional safeguards for high-risk use cases. Letting Mythos return first suggests regulators are increasingly comfortable approving AI systems that ship with stricter guardrails before allowing their more open counterparts back into the wild.
The bigger picture is that this is no longer just Anthropic’s problem. OpenAI followed a remarkably similar strategy with its recent GPT-5.6 preview, limiting access to trusted partners while working through the same government review process. If there’s one trend emerging from all this, it’s that launching the world’s most capable AI models is no longer just an engineering milestone. It’s becoming a regulatory one too
For the past few weeks, Anthropic’s Mythos has been viewed as the gold standard for AI-powered cybersecurity. That lead may already be shrinking. According to a new report from The Wall Street Journal, security researchers say Chinese AI startup Z.ai’s GLM-5.2 can now match Mythos when it comes to finding software security vulnerabilities, even if it still trails Anthropic and OpenAI in broader reasoning tasks.
GLM-5.2 is closing the gap in one very important area
Apple Books has long been viewed as a cleaner alternative to Amazon’s Kindle Store. But if a new investigation is anything to go by, it may be fighting the same battle against AI-generated junk. In a recent YouTube Shorts video, The Wall Street Journal’s Joanna Stern revealed that fake, AI-generated versions of her book have repeatedly appeared on Apple Books, despite being reported and removed.
Joanna Stern says fake copies keep coming back
Plastic bottles usually end up being recycled into lower-value products, buried in landfills, or worse, polluting the environment. But researchers at Penn State University believe they could one day power electric vehicles, smartphones, and even renewable energy storage systems after discovering a way to convert discarded plastic into high-quality battery graphite.
Turning plastic waste into battery-grade graphite
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