# zai-org/glm-4.5

Calls to the model zai-org/glm-4.5 on Novita AI stopped working on June 19, 2026.

Novita AI retired the model zai-org/glm-4.5 on June 19, 2026. Calls requesting this model fail since that date. The change affects any requests specifying model zai-org/glm-4.5.

## What to use instead

Move to zai-org/glm-5.1, which is recommended by Novita.

- API: Novita AI (api.novita.ai)
- Model: zai-org/glm-4.5
- Released: July 28, 2025 (models.dev)
- Kind: Model retirement
- Takes effect: June 19, 2026
- Calls after that day: fail
- Calls it hits: `model zai-org/glm-4.5`
- Source: [Model notices](https://novita.ai/docs/llms-full.txt#deprecation-notice)
- Verified: November 6, 2026, against Novita AI's own pages
- Page: https://www.okapi.bot/models/novita-ai/zai-org/glm-4.5/

## Novita AI's words

> Deprecated model: zai-org/glm-4.5; Recommended alternative: zai-org/glm-5.1

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent