BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Until//Countdowns//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:openai-api-models-gpt-5-1-end-of-life-2027-04-01@until
DTSTAMP:20261019T171733Z
DTSTART;VALUE=DATE:20270401
DTEND;VALUE=DATE:20270402
SUMMARY:OpenAI API Models GPT-5.1 end of life
DESCRIPTION:OpenAI API Models GPT-5.1 reaches end of life on April 1\, 2027
 : upstream support ends and no further security fixes are expected. It was
  released on November 12\, 2025. Active support ended on October 1\, 2026.
 \n\nCountdown: https://until.day/event/openai-api-models-gpt-5-1-end-of-li
 fe-2027-04-01
URL:https://until.day/event/openai-api-models-gpt-5-1-end-of-life-2027-04-0
 1
END:VEVENT
END:VCALENDAR