Following the release of Chinese AI lab Moonshot AI’s Kimi K3 model, U.S. companies have introduced new open-weight models and updates while users await major advances.
Meta CEO Mark Zuckerberg issued a lengthy statement this week describing plans for a positive AI future. He said the company aims to develop personal superintelligence that benefits all users through capable personal agents supporting relationships, health, careers, finances, home tasks, and leisure activities. He added that everyone would receive a personalized tutor and coach with expertise in every subject.
Meta also announced plans to release the weights of its Muse Spark 1.2 model and introduced Muse Glimmer, an open agentic model that operates on user devices. The company stated that Muse Glimmer, a 30-billion-parameter model, was trained using outputs from Muse Spark and is designed for local agent tasks, coding, and evaluations. It noted that the model can run on standard consumer hardware.
Google experienced leadership changes this week. Chief scientist Jeff Dean, an early employee, announced his departure after 27 years to start an AI company with former colleagues. Demis Hassabis stepped down as CEO of Google DeepMind to become chairman and Alphabet’s chief scientist while continuing work at Isomorphic Labs. The company faces pressure to deliver a model that maintains U.S. leadership in AI, with Gemini 3.5 Pro still in testing. It also launched updated Pixel phones with Gemini features and released Gemini 3.7 Flash, described as an improved model for coding and agent tasks.
Anthropic announced measures to comply with the European Union’s AI Act by embedding watermarks in Claude-generated text and adding signed metadata to files. The company said the steps aim to increase transparency about AI content origins, though technical details were not provided. Some users expressed concerns about marking lightly edited human content.
OpenAI expanded its Daybreak cybersecurity program and introduced GPT-5.6-Cyber, a model for authorized security work. The company said it aims to provide advanced tools to defenders amid evolving threats.


