BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//ModelClock//Model lifecycle//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:ModelClock shutdowns
BEGIN:VEVENT
UID:t5sad4@modelclock
DTSTAMP:20261004T173947Z
DTSTART;VALUE=DATE:20261130
DTEND;VALUE=DATE:20261201
SUMMARY:Anthropic: claude-sonnet-4-5-20250929 shutdown
DESCRIPTION:Anthropic lists November 30\, 2026 as the shutdown date. List
 ed model identifier.\nHosting: First-party API\nSource: https://platform
 .claude.com/docs/en/about-claude/model-deprecations
URL:https://0.0.0.0:3000/models/anthropic/claude-sonnet-4-5-20250929
END:VEVENT
END:VCALENDAR