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Anthropic put a retirement notice on Retirement date (table 9), reading "Deprecated model | Recommended replacement".

AnthropicDEPRECATIONADDEDMON SEP 21, 22:25

The line, as the page carries it

+Retirement date (table 9): "Deprecated model | Recommended replacement"

The record

DOCUMENThttps://platform.claude.com/docs/en/about-claude/model-deprecations
SOURCEanthropic-deprecations
ROWRetirement date (table 9)
OPERATIONadded
BEFORENothing was recorded because the row did not exist.
AFTERDeprecated model | Recommended replacement
READ AT2026-09-21T22:25:52.590Z
SIGNALSlifecycle

What went out

    When a lab changes a document

    The engine refetches every registered document on a schedule and files the line that moved. Model cards, system cards, pricing pages, API changelogs and deprecation notices all change without an announcement. Leave an address and Context Window writes when one does.