# GLM-4.5 Base

GLM-4.5 Base is a model from Z.ai with open weights, first recorded on 7 Oct 2026; its release date is not established.

- Developer: Z.ai
- Id: zai-org/GLM-4.5-Base
- Sighting: 2026-10-07T19:45:29.808Z
  - [evidence link](https://huggingface.co/zai-org/GLM-4.5-Base)
- Status: Released
- Weights version: 2025-07-20
  - [evidence link](https://huggingface.co/api/models/zai-org/GLM-4.5-Base/paths-info/922a0cee7f137cf3b64c186f0bee77882e4a4e80)
- Canonical: https://alexgetman.com/models/z-ai/glm-4-5-base/

## Questions

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

Yes. Z.ai publishes the weights.

### When was GLM-4.5 Base 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-Base/paths-info/922a0cee7f137cf3b64c186f0bee77882e4a4e80)
- [huggingface:zai-org](https://huggingface.co/zai-org/GLM-4.5-Base)

## Signals