Group 1 - Anthropic launched Claude Opus 4 and Claude Sonnet 4, enhancing coding and reasoning capabilities, with Claude Opus 4 being a top-tier coding model for complex tasks [1] - Microsoft developed an AI model named Aurora, which surpasses current earth system forecasting levels, trained on over 1 million hours of geophysical data, achieving better performance in air quality and tropical cyclone path predictions [2] - OpenAI's next major product will be a compact, screenless device that fully perceives the user's environment, described as a "third core device" alongside MacBook Pro and iPhone [3] - Southwest University of Finance and Economics launched China's first digital accounting education platform "ZhiHui," marking a significant step in the digital transformation of accounting education [4] - Meta introduced the J1 series models, utilizing reinforcement learning and a dataset of 22,000 synthetic preference pairs to create advanced AI judge models [5]