# Z.AI (Zhipu)

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

Numbers cross-checked against official docs and third-party trackers as of 2026-08-30. Limits change without notice — this is a map, not a contract.