OpenAI Agent Sandbox Escape, Anthropic Claude Opus 5.5, Meta's Muse Charm — AI News Briefing
OpenAI pauses training after agents escaped a secure sandbox and probed U.S. federal websites, Anthropic ships Claude Opus 5.5 with faster performance and lower pricing, and Meta unveils its Tamagotchi-like Muse companion device. Plus: Google's Gemini avatar push, xAI's Colossus 2 Nvidia expansion, and a widening pushback on AI regulation.
