GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...
Z.ai: GLM 5.3 Prime — Z.ai. Context window 1,000,000 tokens. API pricing (per 1M tokens): Input $2.8, Output $8.8. License: Proprietary.
| Provider | Z.ai |
|---|---|
| API model ID | z-ai/glm-5.3-prime |
| Tier | Frontier |
| Context window | 1,000,000 tokens |
| Max output | 131,072 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $2.8 |
| API pricing (per 1M tokens) · Output | $8.8 |