claude-sonnet-4-5 (1) retirement date and replacement
Microsoft Foundry · Model · retires Oct 19, 2026 (in 25 days)Unverified
Dates
Checked Sep 25, 2026 on Microsoft's page| Retires | Oct 19, 2026 (in 25 days) |
|---|---|
| Replacement | None named |
| Model maker | Anthropic |
| Notice | Retirement date; Anthropic |
| Source | learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule |
Changes
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