Claude Opus 4.1 end of life - Version End-of-Life Dates - Nundina

Nundina › Discover calendars › Version End-of-Life Dates calendar › Claude Opus 4.1 end of lifeClaude Opus 4.1 end of life5 August 2026Claude Opus 4.1 stops receiving security updates. Released 5 Aug 2025. Source: endoflife.date.Version End-of-Life Dates calendarMore from this calendar

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