Tier 1 with Billing Enabled but Still Limited to Free Tier Quota (250 RPD) - Generative Language API

Hi everyone,

I’m experiencing a quota issue with the Generative Language API and hoping someone can help.

The Problem:

  • Google AI Studio shows my project is at Tier 1 (billing enabled and active)

  • However, I’m still being limited to the free tier quota of 250 requests per day

  • In Google Cloud Console under Quotas, the only quota I can see/edit for “Generative Language API” is the free tier limit, which maxes out at 250

  • I need to increase this to 3000 RPD for my application, but there’s no option to request a higher limit

This is what I see when I try to edit quota:

Quota: Request limit per model per day for a project in the free tier

Dimensions:

  • model : gemini-2.5-flash

Current value: 250

Enter a new quota value between 0 and 250.

What I’ve Already Tried:

  • Confirmed billing is enabled and active on my Google Cloud project

  • Verified payment method is valid

  • Checked Google AI Studio - it confirms Tier 1 status

  • Looked for quota increase options in Google Cloud Console (IAM & Admin → Quotas) but can only request up to 250

My Setup:

  • Project ID: gen-lang-client-0181131588

  • API: Generative Language API

  • Current tier shown in AI Studio: Tier 1

  • Quota currently enforced: 250 RPD (free tier)