Companies / Anthropic / deprecations

Anthropic deprecations & changes

Data via Dead Canary (opens in new tab) (Anthropic on Dead Canary (opens in new tab)), which tracks API deprecations, shutdowns and breaking changes. Dates are the vendor’s announced effective dates.

Upcoming

• 2026-11-30in 43 days

  Deprecationclaude-sonnet-4-5-20250929 retirement

  claude-sonnet-4-5-20250929 Deprecated September 30, 2026 November 30, 2026

  Vendor source (opens in new tab) · via Dead Canary (opens in new tab)

Past

• 2026-08-05

  Shutdownclaude-opus-4-1-20250805 retired

  claude-opus-4-1-20250805 Retired June 5, 2026 August 5, 2026

  Vendor source (opens in new tab) · via Dead Canary (opens in new tab)

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