Vertex AI Users Complain: No Native Hard Spending Cap, Must DIY via Pub/Sub

MeetingWeird9418 · reddit · 2026-08-23

A heavy Vertex AI user complains on Reddit that Google Cloud budgets and alerts only notify and never actually stop spending. A true hard monthly limit requires a DIY chain of budget notifications → Pub/Sub → a function that disables billing or APIs, which the user found unreliable; Google Cloud support was also unhelpful. They question why a platform where API usage can easily burn thousands of dollars lacks a native "monthly budget: $X → stop usage" setting, and ask how others handle it.

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