{"slug": "us-clears-anthropic-to-release-claude-mythos-5", "title": "US Clears Anthropic to Release Claude Mythos 5", "summary": "The US Commerce Department partially lifted an export control directive, allowing Anthropic to release its Claude Mythos 5 model to over 100 US institutions. Commerce Secretary Howard Lutnick determined safeguards were sufficient for trusted partners, while discussions continue on releasing the Claude Fable 5 model.", "body_md": "The US Commerce Department has partially lifted an export control directive that halted access to Anthropic's most capable model, permitting the company to release `Claude Mythos 5` to more than **100 US institutions**, including major companies and government agencies, according to reporting by Semafor and 9to5mac. Commerce Secretary **Howard Lutnick** wrote in a letter to Anthropic chief compute officer **Tom Brown** that he \"has determined that appropriate safeguards are in place to permit certain trusted partners to access the Claude Mythos 5 Model,\" a passage published by Semafor and quoted by 9to5mac. Anthropic had suspended access to `Claude Mythos 5` and `Claude Fable 5` on **Jun 12, 2026**, per an Anthropic company statement. Lutnick's letter is reported to be silent on `Claude Fable 5`; people close to the talks told Semafor that discussions are \"moving toward releasing Fable as well,\" but no timeline was given.", "url": "https://wpnews.pro/news/us-clears-anthropic-to-release-claude-mythos-5", "canonical_source": "https://letsdatascience.com/news/us-clears-anthropic-to-release-claude-mythos-5-2f41a560", "published_at": "2026-06-26 23:03:33+00:00", "updated_at": "2026-06-26 23:39:00.311304+00:00", "lang": "en", "topics": ["ai-policy", "ai-safety", "large-language-models"], "entities": ["Anthropic", "Claude Mythos 5", "Claude Fable 5", "US Commerce Department", "Howard Lutnick", "Tom Brown", "Semafor", "9to5mac"], "alternates": {"html": "https://wpnews.pro/news/us-clears-anthropic-to-release-claude-mythos-5", "markdown": "https://wpnews.pro/news/us-clears-anthropic-to-release-claude-mythos-5.md", "text": "https://wpnews.pro/news/us-clears-anthropic-to-release-claude-mythos-5.txt", "jsonld": "https://wpnews.pro/news/us-clears-anthropic-to-release-claude-mythos-5.jsonld"}}