gpt-oss-20b-maas — Deprecated — shutdown October 21, 2026
For gpt-oss-20b-maas, provider is Google (Agent Platform — open models); lifecycle status is Deprecated; deprecation announced is July 21, 2026; shutdown / retirement date is October 21, 2026; recommended replacement is Self-deploy GPT OSS on Model Garden; platform / deployment scope is Gemini Enterprise Agent Platform, Model as a Service (open models), recorded from its source on 2026-09-09.
- Provider
- Google (Agent Platform — open models) our reading
- Model ID / API name
- gpt-oss-20b-maas verified
- Lifecycle status
- Deprecated
- Deprecation announced
- July 21, 2026 verified
- Shutdown / retirement date
- October 21, 2026 verified
- Recommended replacement
- Self-deploy GPT OSS on Model Garden verified
- Platform / deployment scope
- Gemini Enterprise Agent Platform, Model as a Service (open models) our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
gpt-oss-20b-maas | July 21, 2026 | October 21, 2026 | <https://console.cloud.google.com/agent-platform/publishers/openai/model-garden/gpt-oss> Self-deploy GPT OSS on Model Garden |
— docs.cloud.google.com, retrieved 2026-09-09
Source
- docs.cloud.google.comhttps://docs.cloud.google.com/gemini-enterprise-agent-platform/models/deprecations/open-models
This one changes, and we watch it.AI model deprecation and retirement dates by provider is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.