API requests using free tier quota stuck at 250 pd instead of Tier 1 despite billing enabled

  • Project ID: searchconsole-457614

  • Project Name: Search Console
    AI Studio Tier: Paid tier 1 ✓

  • Billing Account: Active and linked ✓

  • Model: gemini-3-pro-preview

We have billing tier 1 enabled but still subject to the limit