Observed 9 October 2026

A new row was added listing the model claude-haiku-5-5 as Active, with no retirement date given and a earliest-possible retirement of October 7, 2027.

routinesummary written by a model — check it against the diff below

No binding language changed. Likely wording, structure or navigation.

+1 · a390f82 → 7246494 · 7246494c2c35 · live page

anthropic/model-deprecations.txt9 Oct 2026

56 unchanged lines
claude-sonnet-4-5-20250929 Deprecated September 30, 2026 November 30, 2026
claude-sonnet-4-20250514 Retired April 14, 2026 June 15, 2026
claude-3-7-sonnet-20250219 Retired October 28, 2025 February 19, 2026
claude-haiku-5-5 Active N/A Not sooner than October 7, 2027
claude-haiku-4-5-20251001 Active N/A Not sooner than October 15, 2026
claude-3-5-haiku-20241022 Retired December 19, 2025 February 19, 2026
claude-3-haiku-20240307 Retired February 19, 2026 April 20, 2026
67 unchanged lines

Underlined words mark what moved within a rewritten line. Nothing here is interpreted — this is the difference between two captures, and the conclusion is yours.