AI Studio Build Agent returns "Quota exceeded" on Paid Tier 1 despite available quota

[Yomanit_Online]

The real cause behind AI Studio Build "Quota exceeded": the agent burns your project's TPM, and Google stays silent

To everyone who has been stuck for days with “Quota limits exceeded” in Build mode despite a paid key and a dashboard that looks almost empty: I took this apart in my own project. Here is what I found. What happened Build mode, Gemini 3.8 Flash, paid API key, project on Tier 1. Three consecutive agent runs (about 110, 48 and 36 seconds) edited files, and then each one failed with the same error. At the same time, the UI said “using Gemini without limits.” What the Rate Limit dashboard showed …