{"slug": "is-fable-5-back", "title": "Is Fable 5 Back?", "summary": "Anthropic's Claude Fable 5 remains offline after a U.S. export-control directive suspended access on June 12, 2026, citing national-security concerns over a claimed safeguard bypass. Anthropic disputes the severity but complies while working to restore access, with no return date announced.", "body_md": "[Is Fable 5 Back?](/)— here now\n\n[Learn More](https://www.anthropic.com/news/fable-mythos-access)\n\n## Questions & answers\n\n- Is Fable 5 back?\n- No. Claude Fable 5 (claude-fable-5) is not available right now. It has been offline since June 12, 2026, when a U.S. export-control directive suspended access. This page rechecks Anthropic's API every minute and updates the instant that changes.\n- When is Fable 5 coming back?\n- There is no announced return date for Claude Fable 5. Anthropic has said it is working to restore access after the June 12, 2026 U.S. export-control suspension of Fable 5 and Fable Mythos. The moment claude-fable-5 responds again, this page flips to Yes — and you can subscribe to be emailed when it does.\n- Why was Fable 5 disabled?\n- Claude Fable 5 was disabled by a U.S. government export-control directive on June 12, 2026. Officials cited national-security concerns after claiming to have found a way to bypass the model's safeguards.\n[Anthropic](https://www.anthropic.com/news/fable-mythos-access)disagreed that the issue was significant — saying the same weakness is common across the industry — but complied while working to restore access.[Read their full statement →](https://www.anthropic.com/news/fable-mythos-access) - What is Fable 5?\n- Claude Fable 5 (claude-fable-5) is Anthropic's most capable Claude model, used for advanced reasoning and long-horizon agentic work. Its sibling model, Fable Mythos, was suspended at the same time.\n- How does this site know?\n- Every minute we query Anthropic's API with the model\n`claude-fable-5`\n\n. If it responds, Fable 5 is back; while access is suspended the API returns an error and we keep showing No.\n\nNot affiliated with or endorsed by Anthropic.\n\n# Is Fable 5 back? No\n\nAs of Tuesday, June 16th, 1:18 PM, Claude Fable 5 is unavailable.\n\nShare\n\n## Know the moment it flips.\n\nNo newsletter, no follow-ups. Unsubscribe anytime. · [Privacy](/privacy)", "url": "https://wpnews.pro/news/is-fable-5-back", "canonical_source": "https://isfable5back.com", "published_at": "2026-06-16 13:05:07+00:00", "updated_at": "2026-06-16 13:19:41.961967+00:00", "lang": "en", "topics": ["ai-safety", "ai-policy", "large-language-models", "ai-products"], "entities": ["Anthropic", "Claude Fable 5", "Fable Mythos"], "alternates": {"html": "https://wpnews.pro/news/is-fable-5-back", "markdown": "https://wpnews.pro/news/is-fable-5-back.md", "text": "https://wpnews.pro/news/is-fable-5-back.txt", "jsonld": "https://wpnews.pro/news/is-fable-5-back.jsonld"}}