Retirement calendar

Anthropic retirement dates

Dated retirements, removals and end of life for Anthropic, soonest first. Each one links to its replacement and its source.

Upcoming

Nov 13, 2026
Claude 3.5 Sonnet on Amazon BedrockAnthropic · AI model
Nov 13, 2026
Claude 3.7 Sonnet on Amazon BedrockAnthropic · AI model
Nov 13, 2026
Claude 3 Sonnet on Amazon BedrockAnthropic · AI model
Nov 13, 2026
Claude 3.5 Sonnet v2 on Amazon BedrockAnthropic · AI model
Nov 15, 2026
claude-haiku-4-5 on Microsoft FoundryAnthropic · AI model
Nov 24, 2026
claude-opus-4-5 on Microsoft FoundryAnthropic · AI model
Nov 30, 2026
claude-sonnet-4-5-20250929Anthropic · AI model · replace with claude-sonnet-5-5
Nov 30, 2026
claude-sonnet-4-5 on Microsoft FoundryAnthropic · AI model · replace with claude-sonnet-5-5
Jan 8, 2027
Claude Opus 4.1 on Amazon BedrockAnthropic · AI model
Jan 15, 2027
claude-opus-5-5-fast on Microsoft FoundryAnthropic · AI model
Feb 2, 2027
claude-opus-4-6 on Microsoft FoundryAnthropic · AI model
Feb 10, 2027
claude-sonnet-4-6 on Microsoft FoundryAnthropic · AI model
Apr 2, 2027
claude-mythos-preview on Microsoft FoundryAnthropic · AI model
Apr 6, 2027
claude-opus-4-7 on Microsoft FoundryAnthropic · AI model
Apr 8, 2027
Claude Sonnet 4.5 on Amazon BedrockAnthropic · AI model
Jun 30, 2027
claude-sonnet-5 on Microsoft FoundryAnthropic · AI model
Jul 8, 2027
claude-opus-5 on Microsoft FoundryAnthropic · AI model
Sep 1, 2027
claude-opus-4-8 on Microsoft FoundryAnthropic · AI model
Sep 1, 2027
claude-mythos-5-1 on Microsoft FoundryAnthropic · AI model
Dec 5, 2027
claude-fable-5-1 on Microsoft FoundryAnthropic · AI model
Dec 5, 2027
claude-fable-5 on Microsoft FoundryAnthropic · AI model

Recently passed

Oct 14, 2026
Claude Sonnet 4 on Amazon BedrockAnthropic · AI model
Sep 10, 2026
Claude 3 Haiku on Amazon BedrockAnthropic · AI model
Aug 23, 2026no sooner than
Claude 3 Haiku on Vertex AIAnthropic · AI model
Aug 5, 2026
claude-opus-4-1 on Microsoft FoundryAnthropic · AI model · replace with claude-opus-5
Aug 5, 2026
claude-opus-4-1-20250805Anthropic · AI model · replace with claude-opus-4-8

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