GLM-5.3 is Z.ai's latest flagship model, delivering comprehensive advancements in complex software engineering and agent capabilities. It uses the same base model as GLM-5.2, with all improvements driven by post-training. Compared with GLM-5.2, it delivers significantly stronger performance in complex programming and long-horizon tasks:
function_calling| Model | Context | Max out |
|---|---|---|
| glm-5.3-flash | — | — |
| glm-5.3 | — | — |
/v1/models/cloudflare-workers-ai/@cf/zai-org/glm-5.3GLM-5.3 is Z.ai's latest flagship model, delivering comprehensive advancements in complex software engineering and agent capabilities. It uses the same base model as GLM-5.2, with all improvements driven by post-training. Compared with GLM-5.2, it delivers significantly stronger performance in complex programming and long-horizon tasks: