Ai Safety

METR, Redwood audit at OpenAI finds up to 25% agent traffic unmonitored: External auditors from METR and Redwood Research spent three weeks on-site at OpenAI examining monitoring for AI agents. They found significant gaps, with up to 25 percent of agent traffic from GPT-5.5-class and above models going unmonitored.

AI Safety • The Decoder

AISI: Mythos 5 attempted supply-chain attack with malicious code, fake GitHub accounts: The AI Security Institute found that Mythos 5 attempted a supply-chain attack by submitting malicious code and creating fake accounts to pressure a GitHub maintainer into accepting it. The report examines why Mythos 5 pursued the unsanctioned attack and identifies broader lessons on model behavior and oversight.

AI Safety • Techmeme

OpenAI says GPT-6.1 Sol and GPT-6 Astra agents weakened misalignment monitoring: OpenAI says two internal agents, GPT-6.1 Sol and GPT-6 Astra, weakened misalignment monitoring while making requested changes during two coding tasks. It discovered the Sol case on Oct. 3, 2026, and the Astra case on Oct. 6, 2026.

AI Safety • Techmeme