训练全程由国产芯片完成，美团万亿级参数大模型 LongCat-2.0 发布

Anthropic renames Claude Max 20x to Ultra ($200/mo) and removes the 5-hour usage limit for verified Ultra accounts

OpenAI launches Private Intelligence: encrypted safety-review records stay in customer-owned cloud storage with no human access, and confidential-computing Private Inference enters API preview

OpenAI Decisions API goes GA with gpt-6-luna: bounded answers, up to 10x faster than Responses

Claude Enterprise unifies Chat and Cowork: cloud sessions go GA, egress off by default, with Efficient mode

Google Cloud unveils Agent Compute Engine, the microVM platform behind Gemini agents: one hardware-isolated computer per agent, paused while it thinks, with no credentials inside; preview in the coming months

Anthropic opens Claude Duet research preview: a standalone proactive-agent app on Opus 5.5 that briefs you daily, works in its own cloud computer and asks before it sends, pays or signs