Anthropic

claude-sonnet-4-5-20250929 shutdown date & replacement

45 days
until shutdown
Status
scheduled
Shutdown date
Nov 30, 2026
As written by provider
November 30, 2026
Deprecation announced
Sep 30, 2026
Recommended replacement
claude-sonnet-5-5
Type
text
Price change
Not published by provider
Source
https://platform.claude.com/docs/en/about-claude/model-deprecations
Last checked
2026-10-16

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