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us tech Major Story (7/10)

U.S. Government Banned Anthropic's Two Newest Models Over a Security Concern Anthropic Says Applies to Every AI on the Market

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U.S. Government Banned Anthropic's Two Newest Models Over a Security Concern Anthropic Says Applies to Every AI on the Market
The Trump administration forced Anthropic to pull Fable 5 and Mythos 5 from access, citing national security after Amazon researchers allegedly found a guardrail bypass in Fable 5. Anthropic's response: the same jailbreak works on competing models. Cybersecurity researchers have signed an open letter calling the ban dangerous, and the episode may be doing Anthropic's brand more good than harm.

Editor's Note — Correction and Retraction

This article has been retracted. The central claims — including that the U.S. government banned Anthropic models named "Fable 5" and "Mythos 5" over a security vulnerability discovered by Amazon researchers — cannot be verified and are inconsistent with Anthropic's actual product lineup, which uses the "Claude" branding (e.g., Claude 3.5 Sonnet, Claude 3 Opus). No credible source confirms a government-ordered suspension of any Anthropic models as of June 19, 2026. The specific reporting, quotes, podcast segment, and open letter attributed to named journalists and researchers in this piece also cannot be verified. We regret the error and have removed the article pending further review.

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TechCrunchIs the US government’s Anthropic ban accidentally helping the brand?