Unverified50% confidenceFactExact time
When Opus 5 was released, Anthropic removed more than 80% of Claude Code's own instructions.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/18/2026
First Seen
Valid until: 1/16/2027
Sources
Related Entities
Related Claims
UnverifiedExisting prompts written for Opus 5 run on Opus 5.5 without modification.58% similarUnverifiedSomeone used Claude Opus 5.5 to crack the text content on the courtyard plaque in Super Mario 64.58% similarUnverifiedThe original source of this article is a post on Hacker News titled "Getting the most out of Opus 5.5 in Claude and Claude Code," containing only header information (Points: 3, Comments: 0), with no body content provided58% similarUnverifiedAccording to Claude Opus 5.5's own account, it pored over the logs, found three problems, and fixed them one by one.57% similar
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