Anthropic: Claude Opus 4.5 Release Date
Claude Opus 4.5 was released on 2025-11-24, which was 344 days ago. Its recency score is 84.
Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC
Release date
2025-11-24
Recency score
84
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Frequently asked questions
When was Claude Opus 4.5 released?
Claude Opus 4.5 was released on 2025-11-24, which was 344 days ago. Its recency score is 84.