NIST: GLM-5.3 is Top PRC Cyber AI but Trails US Frontier
CAISI assessment reveals Z.ai's model lags US counterparts by roughly four months.
The NIST Center for Cybersafety Innovation and Security (CAISI) has identified Z.ai’s GLM-5.3 as the most cyber-capable open-weight model, yet it remains significantly behind current US frontier systems.