Coinbase CEO Brian Armstrong was the recipient of some very bad vibes last week after bragging on X that nearly half his exchange’s code is already AI-generated, with plans to push it higher. The post unleashed a torrent of ridicule, and seemed to crystalize the skepticism over the reliability of “vibe coding” tools that’s been bubbling for months.

Over the last couple of years, AI coding tools like Claude Code (Anthropic), Codex (OpenAI), Cursor, Lovable, and Replit have reached far beyond auto-completing lines of code; they can generate entire apps and features from a plain-language prompt, even for users with little or no coding experience. But even as enterprise execs hope the tools will speed up their software production, many in the development community are finding that while vibe

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