# qwen/qwen1.5-4b-chat

Calls to the model qwen/qwen1.5-4b-chat on Together AI stopped working on August 22, 2024.

- API: Together AI (api.together.xyz)
- Model: qwen/qwen1.5-4b-chat
- Kind: Model retirement
- Takes effect: August 22, 2024
- Calls after that day: fail
- Calls it hits: `model qwen/qwen1.5-4b-chat`
- Source: [Deprecations page](https://docs.together.ai/docs/deprecations)
- Verified: November 6, 2026, against Together AI's own pages
- Page: https://www.okapi.bot/models/together-ai/qwen/qwen1.5-4b-chat/

## Together AI's words

> Removal date: 2024-08-22; Model: Qwen/Qwen1.5-4B-Chat; Supported by on-demand dedicated endpoints: No

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