# GLM-4.5 Air

GLM-4.5 Air is a model from Z.ai with open weights, first recorded on 7 Oct 2026; its release date is not established. The context window is 131,072 tokens.

- Developer: Z.ai
- Id: zai-org/GLM-4.5-Air
- Sighting: 2026-10-07T19:40:57.518Z
  - [evidence link](https://huggingface.co/zai-org/GLM-4.5-Air)
- Status: Released
- Weights version: 2025-07-28
  - [evidence link](https://huggingface.co/api/models/zai-org/GLM-4.5-Air/paths-info/a24ceef6ce4f3536971efe9b778bdaa1bab18daa)
- Canonical: https://alexgetman.com/models/z-ai/glm-4-5-air-821/

## Questions

### What is the context window of GLM-4.5 Air?

The context window is 131,072 tokens.

### Are the weights of GLM-4.5 Air publicly available?

Yes. Z.ai publishes the weights.

### When was GLM-4.5 Air released?

Its release date is not established. Signal Forge first recorded it on 7 Oct 2026.

## Evidence links

- [hf-author-artifacts:zai-org](https://huggingface.co/api/models/zai-org/GLM-4.5-Air/paths-info/a24ceef6ce4f3536971efe9b778bdaa1bab18daa)
- [huggingface-router](https://huggingface.co/zai-org/GLM-4.5-Air)

## Signals