Comment by alexandra_au
2 hours ago
You have your dates and models wrong, it was Opus 4.5 released in November 2025, that changed everything, Opus 4.6 was released in February 2026.
2 hours ago
You have your dates and models wrong, it was Opus 4.5 released in November 2025, that changed everything, Opus 4.6 was released in February 2026.
You're right. December is when things felt differnt but Opus 4.5 was actually released November 24, 2025.
https://www.anthropic.com/news/claude-opus-4-5