# qwen/qwen2-1.5b

Calls to the model qwen/qwen2-1.5b on Together AI stopped working on July 29, 2026.

Model qwen/qwen2-1.5b was retired on July 29, 2026. Calls to this model fail since that date. The change affects all requests targeting the retired model on api.together.xyz.

## What to use instead

Move to Qwen/Qwen3.5-2B, which is recommended by Together AI as the replacement.

- API: Together AI (api.together.xyz)
- Model: qwen/qwen2-1.5b
- Kind: Model retirement
- Takes effect: July 29, 2026
- Calls after that day: fail
- Calls it hits: `model qwen/qwen2-1.5b`
- 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/qwen2-1.5b/

## Together AI's words

> Removal date: 2026-07-29; Model: Qwen/Qwen2-1.5B; Suggested replacement: Qwen/Qwen3.5-2B

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