BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Until//Countdowns//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:anthropic-claude-sonnet-4-5-end-of-life-2026-09-29@until
DTSTAMP:20261019T214855Z
DTSTART;VALUE=DATE:20261130
DTEND;VALUE=DATE:20261201
SUMMARY:Anthropic Claude Sonnet 4.5 end of life
DESCRIPTION:Anthropic Claude Sonnet 4.5 reaches end of life on November 30\
 , 2026: upstream support ends and no further security fixes are expected. 
 It was released on September 29\, 2025. Active support ended on September 
 30\, 2026.\n\nCountdown: https://until.day/event/anthropic-claude-sonnet-4
 -5-end-of-life-2026-11-30
URL:https://until.day/event/anthropic-claude-sonnet-4-5-end-of-life-2026-11
 -30
END:VEVENT
END:VCALENDAR