Rate-limited free · API key · code · last checked 30 Aug 2026
Create a key at https://z.ai and call it from your harness.
Free-tier limits revised twice in the past year - verify. Peak-hour throttling. Flash models are free regardless of tier. OpenAI-compatible.
Source: https://z.ai
| Model | Cost | Context | RPM | TPM | RPD | Day tokens | Verified |
|---|---|---|---|---|---|---|---|
| GLM-5.1 | $0 | Up to 203K | 3 (burst) | Not published | 1,000 (1K RPD tier) | Not published | 2026-08-30 |
| GLM-4.5-Flash | $0 | Up to 203K | 3 (burst) | Not published | 1,000 | Not published | 2026-08-30 |
| GLM-4.7-Flash | $0 | Up to 203K | 3 (burst) | Not published | 1,000 | Not published | 2026-08-30 |
| GLM-4.6V-Flash (vision) | $0 | Up to 203K | 3 (burst) | Not published | 1,000 | Not published | 2026-08-30 |
Machine-readable: /data/z-ai--zhipu.json · Markdown