Opus 5's knowledge cutoff is May 2026; rollout appears limited to Claude Code
daniel_mac8 · x · 2026-08-29
The user adds details: Opus 5's knowledge cutoff is May 2026, yet the same question to Opus 5 in the Claude Desktop app still fails. This looks like a silent rollout to a subset of Claude Code users.
Related event: Opus 5.1 Reportedly Rolls Out With More Direct Answers(2 posts)→
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