Claude Opus 5.5 early preparations spotted again, release looks imminent

apples_jimmy · x · 2026-09-22

User M1Astra spotted what appears to be early preparations for Claude Opus 5.5, suggesting an imminent release from Anthropic. Unconfirmed rumor, but if true it means the next flagship model is in its final stages.

Related event: Rumors: Anthropic secretly testing Claude Opus 5.5, launch as early as Tuesday(12 posts)→

Original post →

More from Models

Models channel →