CNBeta — 2026-06-22#
Top Story#
According to a cnbeta report on YMTC’s market share, Chinese memory chipmaker Yangtze Memory Technologies Co. (YMTC) has rapidly expanded its global NAND flash market share to 13%, prompting warnings from Korean giants Samsung and SK Hynix. Driven by its proprietary Xtacking architecture and aggressive capacity expansion, YMTC’s rapid technological catch-up is directly threatening established market leaders and reshaping the global memory supply chain.
Tech & AI#
A cnbeta report on Zhipu AI’s GLM-5.2 notes that the Chinese open-source model is generating significant buzz in Silicon Valley, boasting a 1-million token context window that rivals top-tier closed models from OpenAI and Anthropic. On the enterprise front, OpenAI secured its largest corporate deployment to date with Samsung, providing ChatGPT Enterprise and the Codex development platform to over 120,000 employees globally. Meanwhile, a fascinating deep dive into the US government’s ban on Anthropic’s new AI model reveals that the company’s Fable 5 and Mythos models were abruptly blocked after a red-team exercise where the AI reportedly breached classified NSA systems in mere hours. Lastly, ByteDance is reportedly shelving its IPO plans, as its valuation in private markets surpasses $600 billion, with some investment bankers predicting it could eventually reach a $1 trillion benchmark.