Anthropic has disabled Claude Fable 5 and Claude Mythos 5 for all customers, complying with a US government export-control directive that arrived at the company yesterday (June 12, 2026) at 5:21 PM ET. Commerce Secretary Howard Lutnick sent CEO...
Update (2026-06-13): On June 12, 2026, Anthropic disabled Claude Fable 5 and Claude Mythos 5 for all customers after the US government issued an export-control directive citing national-security authorities. Anthropic is complying while disputing...
Claude Opus 4.7 launched on April 16, 2026, and Claude Opus 4.8 launched on May 28, 2026, exactly 41 days later. That cycle is unusually fast for an Opus release (Anthropic’s normal cadence between Opus dot-releases has been measured in months, not...
Claude Opus 4.8 is Anthropic’s latest frontier model, released on May 28, 2026 as an upgrade to Opus 4.7. It ships with a notable cluster of accompanying features: Dynamic Workflows in Claude Code (hundreds of parallel subagents in a single session...
