{"passport":{"slug":"claude-mythos-5","display_name":"Claude Mythos 5","model_type":"multimodal","parameter_count":null,"context_window":null,"claimed_developer":"Anthropic","confirmed_developer":"Anthropic","developer_confirmed_at":"2026-06-09T00:00:00+00:00","developer_source":"Confirmed via https://www.anthropic.com/news/claude-fable-5-mythos-5 (9 Jun 2026 joint launch with Fable 5; the announcement names both).","first_appeared_at":"2026-06-09T00:00:00+00:00","first_appeared_on":"anthropic_official","status":"confirmed","availability":"available","deployment_status":"restricted","availability_scope":null,"gate":3,"eu_ai_act":"GPAI","regulatory_status":{"eu_ai_act":"GPAI","initiative":"Project Glasswing"},"open_source":false,"weights_available":false,"license":null,"provenance_chain":[],"parent_model":null,"model_family":"Claude","superseded_by":null,"supersedes":[{"slug":"claude-mythos-preview","display_name":"Claude Mythos Preview"}],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"RESTORED","event_date":"2026-06-27T00:00:00+00:00","title":"RESTORED (LIMITED)","detail":"Mythos 5 — availability restored (limited release), 27 Jun 2026.","source_url":"https://www.anthropic.com/news/redeploying-fable-5","source_name":null},{"event_type":"SUSPENDED","event_date":"2026-06-12T00:00:00+00:00","title":"SUSPENDED — US government export-control directive","detail":"Claude Mythos 5 was suspended on 12 June 2026 under a US government export-control directive. Directive scope (declared): any foreign national, inside or outside the US. Operative effect: Anthropic disabled the model for ALL customers to comply — the global reach was Anthropic's compliance choice, not the directive's scope. Anthropic is disputing the directive and working to restore. (The directive names both Claude Fable 5 and Claude Mythos 5.)","source_url":"https://www.anthropic.com/news/fable-mythos-access","source_name":"anthropic.com"},{"event_type":"SUPERSEDES","event_date":"2026-06-09T00:00:00+00:00","title":"Supersedes Claude Mythos Preview for Glasswing partners","detail":"Mythos 5 replaces Mythos Preview as the Glasswing-tier model (9 Jun 2026 launch).","source_url":"https://www.anthropic.com/news/claude-fable-5-mythos-5","source_name":"anthropic.com"}],"delta":{"days_unattributed":0,"claimed_developer":"Anthropic","confirmed_developer":"Anthropic","match":true}}