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Together AI · Together AI platform · LLM

openai/gpt-oss-20b

Shut downShut down on Sep 15, 2026Published date has passed
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2 notices

Shut downPublished date has passed

Shut down on Sep 15, 2026

Together AI lists 2026-09-15 as the shutdown date. Listed model identifier.

Hosting route
Together AI platform
Affected scope
Listed model identifier
Replacement
None published
Announced
Not published
First seen by ModelClock
Oct 7, 2026

What the provider published

docs.together.ai ↗

| 2026-09-15 | openai/gpt-oss-20b | Yes |

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Shut downPublished date has passed

Shut down on Sep 14, 2026

Together AI publishes 2026-09-14 as the shutdown date. serverless.

Hosting route
Together AI platform
Affected scope
serverless
Replacement
`Qwen/Qwen3.5-9B`
Announced
Sep 1, 2026
First seen by ModelClock
Oct 7, 2026

What the provider published

docs.together.ai ↗

​ Model deprecations

The following models are deprecated and will be removed from serverless on September 14, 2026:

  • openai/gpt-oss-20b. Recommended replacement: Qwen/Qwen3.5-9B.

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Same model elsewhere

Each provider and hosting route sets its own dates.