Z.ai releases GLM-5.3 model with improved coding and agentic capabilities

GLM-5.3 achieves a score of 60 on the Artificial Analysis Intelligence Index, matching Kimi K3 and marking a 7-point improvement over GLM-5.2. The model features a 1M token context window and is now available via API at $1.4 to $4.4 per million tokens.

Featured · Jie Tang, Greg Brockman