The reset is every 5 hours, not 4 hours.
On simple projects I never hit the quota. On complex project I do reach the quota limit quite often if not always, Is that simple. I only need agents for complex work. If you aren’t hitting the quota limit then good, you know the answer.
Edit: It seems today they added a low reasoning/thinking profile to Gemini 3.5 Flash, let’s see how it behaves.