Cloud Mythos will be released before September 1, 2026.

Contrary to earlier reports of refusal, Anthropic has expanded access to Claude Mythos 5 for security partners and tools, though not as a wide public release.…

Contrary to earlier reports of refusal, Anthropic has expanded access to Claude Mythos 5 for security partners and tools, though not as a wide public release. However, a government export control directive on August 29, 2026, subsequently cut off all customer access to Mythos 5.