Zhipu has released GLM-5.3-Flash and its model weights, confirming that the model previously tested anonymously as Ox Alpha belongs to its GLM series. The

Z.ai's GLM-5.3-Flash runs natively on Chinese AI chips, hits 63.4 on DeepSWE, and offers API access at $0.15 per million input tokens.

For the past week, developers have been puzzling over a model called Ox Alpha. It appeared on...