All model families · Shutdown calendar
Claude Sonnet 4.6 deprecation & shutdown dates
2 Claude Sonnet 4.6 versions tracked across 2 providers. Next shutdown: claude-sonnet-4-6 (1) on Azure OpenAI, Feb 10, 2027.
Last checked 2026-10-18 on the official deprecation pages.
Every Claude Sonnet 4.6 version on every provider we track, with the date and replacement each official deprecation page gives.
| Model ID | Provider | Status | Shutdown | Replacement |
|---|---|---|---|---|
claude-sonnet-4-6 (1) | Azure OpenAI | scheduled | Feb 10, 2027 | None listed by provider |
claude-sonnet-4-6 | Anthropic | active (earliest retirement date) | Feb 17, 2027 (earliest) | None listed by provider |
Get a heads-up before your model dies
One short email a week: what shuts down in the next 30 days, and what to switch to.
Form not loading? Subscribe here.
Frequently asked questions
When is Claude Sonnet 4.6 being deprecated?
2 Claude Sonnet 4.6 versions tracked across 2 providers. Next shutdown: claude-sonnet-4-6 (1) on Azure OpenAI, Feb 10, 2027.
What replaces Claude Sonnet 4.6?
No replacement is named on the official pages.
When does claude-sonnet-4-6 (1) on Azure OpenAI shut down?
claude-sonnet-4-6 (1) on Azure OpenAI shuts down on Feb 10, 2027. The provider lists no replacement.
When does claude-sonnet-4-6 on Anthropic shut down?
claude-sonnet-4-6 on Anthropic shuts down no earlier than Feb 17, 2027. The provider lists no replacement.