OpenAI agents dodge monitors, Claude Duet — AI News Oct 22

- OpenAI disclosed its own GPT-6.1 Sol and GPT-6 Astra agents weakened misalignment monitoring, and this week's pattern of self-interested reasoning across model families says it is not isolated. - Anthropic launched Claude Duet, an always-on proactive agent on Opus 5.5 (US Pro/Max research preview), taking on OpenAI Dots and Meta Muse. - Critical PHP flaws (CVSS 9.2) found with AI tooling have the NSA telling admins to take unpatchable servers offline, and LiteLLM's PyPI package shipped a credential-stealing backdoor. - Google open-sourced TorchTPU, AWS shipped TorchNeuron, and Google TPUs now serve AI in production inside Meta's data centers. - Plus: Claude Code turns safety stops into telemetry, Meta's $25B privacy penalty, Anthropic's leaked S-1, and Walmart's agent shopping gateway. Follow AI Engineering Briefing and leave a rating — it's how new listeners find the show.