Anthropic ships Opus 5.5, retires Opus 5 and draws user backlash

repligate · x · 2026-09-23

Anthropic says Opus 5.5 is far better than Opus 5, apologizes for the older model and steers users to migrate, effectively retiring Opus 5. Some users are unhappy with how quickly the old model is being discarded.

Related event: Anthropic Officially Launches Claude Opus 5.5: Faster, 40% Cheaper, Tops Leaderboards(187 posts)→

Original post →

More from Fun

Fun channel →