In Brief Posted: 6:01 PM PDT · June 26, 2026 Julie Bort Trump Admin releases Anthropic Mythos to be used by more than 100 US companies, agencies Two weeks into the ban that caused Anthropic to pull its powerful cybersecurity-oriented models , Mythos 5 and Fable 5, from the market, the Trump adminis… …
… The incident has brought up questions of how much power the government should have over AI model releases. …
Anthropic is bringing its most powerful AI model to the general public for the first time, but it’s doing it with guardrails. On Tuesday, the AI firm launched Claude Fable 5, the first publicly available version of its Mythos model. …
… Clearly, none of that was enough to stop the government from acting, and Anthropic isn’t hiding its frustration. “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,” the company wrote. “If this st… …
… The president said at the time that he didn’t want to do anything to get in AI firms’ way of leading against China. “Nothing in this section shall be construed to authorize the creation of a mandatory governmental licensing, preclearance, or permitting requirement for the development, publication, … …
… One of the more unique things SandboxAQ does, however, is produce large quantitative models, or LQMs. These proprietary models are “physics-grounded,” meaning they’re built on the rules of the physical world rather than patterns in text. …
… Anthropic later published research suggesting that models from other companies had similar issues with “agentic misalignment.” Apparently Anthropic has done more work around that behavior, claiming in a post on X , “We believe the original source of the behavior was internet text that portrays AI a… …
… TCS will also gain early access to new model releases, which it says it will use to build expertise, and it will provide Anthropic’s Claude AI assistant to its employee base of more than 50,000 people. …
… Unlike many of Anthropic's other AI models, Mythos is not being given a general public release. The company has claimed that it fears the model — which is designed to scan codebases for software vulnerabilities — is too powerful and could be weaponized by bad actors. …
… The AI firm dubbed the model its most powerful yet, able to identify thousands of zero-day vulnerabilities over several weeks. …