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:
| Model | Context | Max out | Pricing |
|---|---|---|---|
| GLM-5.3-Flash Free | — | — | $0$0 |
| GLM 5.3 Flash | 1M | 128K | $0.15$0.5 |
| GLM 5.3 | 1M | 128K | $1.4$4.4 |
/v1/models/opencode/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: