Azure AI Foundry
grok-3 model retirement
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The grok-3 model was retired on May 1, 2026. Calls specifying model grok-3 fail since that date. The model lifecycle reached retired status on the specified retirement day.
What to use instead of grok-3
Migrate to grok-4, which is named as the replacement. Note that grok-4 stops working on January 31, 2027, and no replacement that holds is named yet.
In Azure AI Foundry's words
Model: grok-3; Version: 1; Lifecycle: Retired; Retirement date: 2026-05-01; Replacement: grok-4
Facts
- API
- Azure AI Foundry
*.services.ai.azure.com - Model
grok-3- Released
- June 1, 2024 (models.dev)
- Kind
- Model retirement
- Takes effect
- May 1, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Azure AI Foundry's own pages
Questions
When does grok-3 shut down?
Calls to the model grok-3 on Azure AI Foundry stopped working on May 1, 2026.
What happens to calls after May 1, 2026?
They have failed since May 1, 2026.
When was grok-3 released?
grok-3 was released on June 1, 2024, according to models.dev.
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.
grok-3 on other APIs 1
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xAI
grok-3Model retirement Redirected
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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.