grok-4-20-reasoning — Preview — shutdown 2027-04-06
For grok-4-20-reasoning, provider is Microsoft Azure / Foundry; lifecycle status is Preview; shutdown / retirement date is 2027-04-06; platform / deployment scope is Azure / Microsoft Foundry, recorded from its source on 2026-08-28; source re-checked 2026-10-13.
- Provider
- Microsoft Azure / Foundry our reading
- Model ID / API name
- grok-4-20-reasoning verified
- Human-readable model name
- grok-4-20-reasoning verified
- Lifecycle status
- Preview verified
- Shutdown / retirement date
- 2027-04-06 verified
- Platform / deployment scope
- Azure / Microsoft Foundry 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
| grok-4-20-reasoning | 1 | Preview | 2027-04-06 | — |
— learn.microsoft.com, retrieved 2026-08-28
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Shutdown / retirement date
| Model | Version | Lifecycle | Retirement date | Replacement | | --- | --- | --- | --- | --- | | grok-3 | 1 | Retired | 2026-05-01 | grok-4 | | grok-3-mini | 1 | Retired | 2026-05-01 | grok-4-1-fast-reasoning | | grok-4 | 1 | GA | — | — | | grok-4-1-fast-non-reasoning | 1 | GA | — | — | | grok-4-1-fast-reasoning | 1 | GA | — | — | | grok-4-20-non-reasoning | 1 | Preview | 2027-04-06 | — | | grok-4-20-reasoning | 1 | Preview | 2027-04-06 | — |
— all from learn.microsoft.com, retrieved 2026-08-28
Source
- learn.microsoft.comhttps://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule
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.