Anthropic Claude claude-sonnet-4-20250514

end of lifeno security fixes since 2026-06-15

Anthropic Claude claude-sonnet-4-20250514 reached end of life 4 months ago.

Supported now: Anthropic Claude claude-sonnet-4-5-20250929 (until 2026-11-30)

Facts

Released
(17 months ago)
Active support ended
(6 months ago)
Security support ended
(4 months ago)
Source
endoflife.date (checked 2026-09-09)

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