Anthropic's pre-IPO shares fall as US government shuts down its most powerful AI model

CoinDesk 2026-06-13 06:02:05
Context: The US government has taken action against Anthropic, a company developing artificial intelligence models, by shutting down its most powerful AI models, Fable 5 and Mythos 5, due to a jailbreak report. This move has led to a decline in Anthropic's pre-IPO share value. The incident has sparked a debate about the regulation and safety of AI technology.

Key Facts

  • The US government shut down Anthropic's most powerful AI models, Fable 5 and Mythos 5, after a jailbreak report raised concerns about their safety and potential misuse.
  • Anthropic complied with the government's request to pull Fable 5 and Mythos 5 from all users, but the company pushed back against the decision, arguing that the standard set by the government would effectively halt the entire AI industry.
  • The jailbreak report that prompted the government's action is not explicitly described in the article, but it apparently highlighted vulnerabilities or risks associated with Anthropic's AI models.
  • Anthropic's pre-IPO shares have fallen in value as a result of the government's action against its AI models.
  • No specific statistics, names of individuals, or exact locations are provided in the article beyond the company name, Anthropic, and the names of the AI models, Fable 5 and Mythos 5.

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