Opus 5.5 reportedly out via Claude Code v2.1.280 update
Angaisb_ · x · 2026-09-23
User Angaisb claims Opus 5.5 is now available, telling people to update Claude Code to v2.1.280 to get it. This is a third-party report rather than an official Anthropic announcement; model specs and capabilities have yet to be confirmed.
Related event: Claude Opus 5.5 Spotted in Claude Code Ahead of Imminent Launch(8 posts)→
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