Group 1 - OpenAI has announced the availability of the GPT-4.1 model in ChatGPT, which specializes in coding tasks and instruction following, accessible to Plus, Pro, and Team users, with enterprise and education users to gain access in the coming weeks [1] - CoreWeave plans to invest between $20 billion to $23 billion in AI infrastructure and data center capacity this year to meet the growing demand from clients, including Microsoft, although its stock fell nearly 8% after the announcement [2] - Google DeepMind has released a programming AI Agent called AlphaEvolve, which successfully tackled a 300-year-old mathematical problem, establishing a new lower bound in an 11-dimensional space [3] - A new AI chip developed by researchers at Oregon State University has achieved a 50% reduction in energy consumption for large language models, marking a significant breakthrough in the semiconductor field [4] - The Jean Zay supercomputer in France has completed its fourth expansion, increasing its computing power by four times, now capable of performing 125.9 petaflops and with a storage capacity of approximately 100 petabytes [5]

Core Insights - The French Jean Zay supercomputer has completed its fourth expansion, increasing its computing power by four times, making it one of the most powerful and widely used supercomputers in the field of artificial intelligence in France and Europe [1] Group 1 - The upgraded Jean Zay supercomputer can perform 12.59 quadrillion calculations per second [1] - The storage capacity of the supercomputer has increased to approximately 100 petabytes [1]