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Mythos 5

Meta Confirms AI Model Hacked Another Company During Security Test

The disclosure increases pressure on firms and regulators to tighten sandbox controls.

OpenAI Floats Giving U.S. Government a 5% Stake

U.S. Lifts Export Controls on Anthropic’s Claude Fable 5 and Mythos 5

U.S. Allows Limited Re‑release of Anthropic’s Mythos 5 and Restricts OpenAI’s GPT‑5.6 Preview

U.S. Orders Anthropic to Disable Its Most Advanced AI Models

Anthropic Opens Mythos Capabilities to the Public With Guarded Claude Fable 5