{"slug": "jamie-dimon-says-broad-access-to-mythos-would-be-like-giving-ballistic-missiles", "title": "Jamie Dimon says broad access to Mythos would be like giving 'ballistic missiles to individuals'", "summary": "JPMorgan Chase CEO Jamie Dimon warned that broad access to Anthropic's Mythos-class AI models would be like giving 'ballistic missiles to individuals,' citing severe cybersecurity risks. The US government previously blocked access to both Mythos 5 and Fable 5 over concerns that guardrails could be bypassed, though export controls were later lifted.", "body_md": "[JPMorgan Chase CEO Jamie Dimon](https://www.businessinsider.com/jamie-dimon-jpmorgan-earnings-ai-jobs-token-spending-2026-7) sounded the alarm on what broad access to Anthropic's Mythos-class models would look like.\n\nSpeaking at the Pennsylvania Defense and Innovation Summit on Thursday, Dimon said that Mythos was a \"real issue,\" one that the US government has been \"on top of at this point.\"\n\nHe said the government scrutiny was to ensure the model could be controlled when it is rolled out, \"because you're giving ballistic missiles to individuals with Mythos, basically.\"\n\nDimon was speaking on an \"Investing in America\" panel alongside Pennsylvania Sen. Dave McCormick. The summit also brought together other prominent figures in politics and defense, including President Donald Trump, Defense Secretary Pete Hegseth, and Palantir's defense head, Mike Gallagher.\n\nMythos 5 is Anthropic's most capable frontier AI model, capable of finding vulnerabilities in operating systems. Critics, and Anthropic itself, have warned that the model poses [strong cybersecurity risks](https://www.businessinsider.com/anthropic-mythos-cybersecurity-concerns-what-smart-people-are-saying-ai-2026-4) if made available to the public.\n\nAnthropic said in April that it halted the release of the model because it was too good at finding \"high-severity vulnerabilities.\" Instead of granting broad access, Anthropic said it would grant access only to a select group of US organizations.\n\nIn June, it released Fable 5 to the general public, a Mythos-class model with guardrails against topics such as cybersecurity, distillation attacks, and biology and chemistry.\n\nBut the US government blocked access to both [Mythos 5 and Fable 5](https://www.businessinsider.com/anthropic-restrictions-mythos-fable-winners-losers-mistral-deepseek-openai-china-2026-6) about a week later, determining that Fable 5's guardrails could be bypassed. It slapped export controls on the model to restrict foreign nationals from using it. In response, Anthropic blocked access for all users.\n\nOn June 30, the AI lab announced that [access had been restored](https://www.businessinsider.com/anthropic-restores-fable-5-mythos-access-trump-white-house-talks-2026-6).\n\n\"We've received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5,\" Anthropic said in an X post on June 30. \"We'll begin restoring access tomorrow, and will share an update soon. We're grateful to our users for their patience, and to everyone who worked with us on redeploying the models.\"\n\nAnthropic and JPMorgan Chase did not respond to requests for comment from Business Insider.", "url": "https://wpnews.pro/news/jamie-dimon-says-broad-access-to-mythos-would-be-like-giving-ballistic-missiles", "canonical_source": "https://www.businessinsider.com/jamie-dimon-anthropic-mythos-access-ballistic-missiles-2026-7", "published_at": "2026-07-16 04:44:29+00:00", "updated_at": "2026-07-16 05:07:05.380744+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-safety", "ai-policy", "ai-products"], "entities": ["Jamie Dimon", "JPMorgan Chase", "Anthropic", "Mythos", "Fable 5", "Dave McCormick", "Donald Trump", "Pete Hegseth"], "alternates": {"html": "https://wpnews.pro/news/jamie-dimon-says-broad-access-to-mythos-would-be-like-giving-ballistic-missiles", "markdown": "https://wpnews.pro/news/jamie-dimon-says-broad-access-to-mythos-would-be-like-giving-ballistic-missiles.md", "text": "https://wpnews.pro/news/jamie-dimon-says-broad-access-to-mythos-would-be-like-giving-ballistic-missiles.txt", "jsonld": "https://wpnews.pro/news/jamie-dimon-says-broad-access-to-mythos-would-be-like-giving-ballistic-missiles.jsonld"}}