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Claude Opus 4.5 Timeline - Announcements & Release History | AI Stats
Claude Opus 4.5
Anthropic
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Model Timeline
05 Feb 2026
Claude Opus 4.6
Future version
24 Nov 2025
Model Released
Model first made available to the public
24 Nov 2025
Model Announced
Model first introduced to the public
05 Aug 2025
Claude Opus 4.1
Previous version
