Nundina › Découvrir les calendriers › Calendrier Dates de fin de support des versions › Claude Sonnet 5.5 end of life (earliest)Claude Sonnet 5.5 end of life (earliest)28 septembre 2027Claude Sonnet 5.5 stops receiving security updates. The vendor publishes this as the earliest possible date rather than a commitment, so it may move later. Released 28 Sep 2026. Source: endoflife.date.Calendrier Dates de fin de support des versionsAutres dates de ce calendrier