# GLM-4.5

GLM-4.5 is a model from Z.ai with open weights, first recorded on 18 Sep 2026; its release date is not established.

- Developer: Z.ai
- Id: zai-org/GLM-4.5
- Sighting: 2026-09-18T17:14:16.352Z
  - [evidence link](https://huggingface.co/zai-org/GLM-4.5)
- Status: Released
- Weights version: 2025-07-28
  - [evidence link](https://huggingface.co/api/models/zai-org/GLM-4.5/paths-info/cbb2c7cfb52fa128a9660cb1a7a78e017899e115)
- Canonical: https://alexgetman.com/models/z-ai/glm-4-5-799/

## Questions

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

Yes. Z.ai publishes the weights.

### When was GLM-4.5 released?

Its release date is not established. Signal Forge first recorded it on 18 Sep 2026.

## Evidence links

- [vertex-model-garden](https://console.cloud.google.com/vertex-ai/publishers/zai-org/model-garden/glm-4.5)
- [hf-author-artifacts:zai-org](https://huggingface.co/api/models/zai-org/GLM-4.5/paths-info/cbb2c7cfb52fa128a9660cb1a7a78e017899e115)
- [huggingface-router](https://huggingface.co/zai-org/GLM-4.5)

## Signals