Azure AI Foundry
claude-sonnet-4-6 model retirement
Stops workingSubscribe to Azure AI FoundryShare
Calls to the model claude-sonnet-4-6 on Azure AI Foundry stop working on February 10, 2027.
In Azure AI Foundry's words
Model: claude-sonnet-4-6; Version: 1; Lifecycle: GA; Retirement date: 2027-02-10; Replacement: —
Facts
- API
- Azure AI Foundry
*.services.ai.azure.com - Model
claude-sonnet-4-6- Released
- February 17, 2026 (models.dev)
- Kind
- Model retirement
- Takes effect
- February 10, 2027
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Azure AI Foundry's own pages
Questions
When does claude-sonnet-4-6 shut down?
Calls to the model claude-sonnet-4-6 on Azure AI Foundry stop working on February 10, 2027.
What happens to calls after February 10, 2027?
They fail from that day.
When was claude-sonnet-4-6 released?
claude-sonnet-4-6 was released on February 17, 2026, 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.
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Is your code calling this?
Okapi finds the calls this change hits in your repo and opens the pull request with the fix before February 10, 2027.