Together AI · Model retirement
openai/gpt-oss-20b
Stopped working
Calls to the model openai/gpt-oss-20b on Together AI stopped working on September 14, 2026.
What to use instead of openai/gpt-oss-20b
Move to Qwen/Qwen3.5-9B, recommended by Together AI.
Facts
- API
- Together AI
api.together.xyz - Model
openai/gpt-oss-20b- Kind
- Model retirement
- Takes effect
- September 14, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
openai/gpt-oss-20b on other APIs
- Novita AI Stopped working
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