China’s Z.ai unveils GLM‑4.5, AI that’s cheaper than DeepSeek China’s AI startup Z.ai (formerly Zhipu) has launched its open‑source language model GLM‑4.5, which it claims is cheaper than DeepSeek’s flagship model. Z.ai CEO Zhang Peng told CNBC that GLM‑4.5... Stacy Pereira — 1 day ago