Together AI
qwen/qwen2-1.5b model retirement
Stopped workingSubscribe to Together AIShare
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 of qwen/qwen2-1.5b
Move to Qwen/Qwen3.5-2B, which is recommended by Together AI as the replacement.
In Together AI's words
Removal date: 2026-07-29; Model: Qwen/Qwen2-1.5B; Suggested replacement: Qwen/Qwen3.5-2B
Facts
- API
- Together AI
api.together.xyz - Model
qwen/qwen2-1.5b- Kind
- Model retirement
- Takes effect
- July 29, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Together AI's own pages
Questions
When does qwen/qwen2-1.5b shut down?
Calls to the model qwen/qwen2-1.5b on Together AI stopped working on July 29, 2026.
What happens to calls after July 29, 2026?
They have failed since July 29, 2026.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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You fixed this one by hand.
Okapi opens the pull request with the fix before the next breaking change reaches your code.