Chinese AI lab Z.ai that Sam Altman and Dario Amodei complained about has a warning similar to biggest American AI companies

China‑based AI lab Z.ai has warned that its latest model, GLM‑5.3, is so capable at finding and exploiting security flaws that the company will delay public release of the model weights for two weeks, according to a report by Axios. The lab said it is testing and strengthening safety and security controls before wider availability. The warning from Z.ai echoes concerns raised by Sam Altman of OpenAI and Dario Amodei of Anthropic, who have previously cautioned about the risks posed by powerful open‑weight models. Both executives have argued that models capable of cyber exploitation could be misused if released without strong safeguards, highlighting the growing tension between innovation and security in AI development.