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How to fix Google AI Pro subscription Antigravity quota not working as advertised?

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You are locked out of Antigravity for about 10 days even though your Google AI Pro plan promises a 5 hour quota refresh. The app shows a reset time far in the future and keeps prompting to upgrade to Ultra.

Antigravity shows a long quota lockout on Google AI Pro instead of a 5 hour reset

You hit this message in Antigravity during a heavy code analysis task: “You have reached the quota limit for this model. You can resume using this model at 2 1 2026, 3 36 33 PM. You can upgrade to the Google AI Ultra plan to receive the highest rate limits.” This mirrors free tier weekly windows rather than Pro behavior. If models are not loading at all, see our quick checks in this Antigravity troubleshooting.

Solution Overview

AspectDetail
Root CauseEntitlements for Pro are not applied to the token Antigravity is using, so the backend enforces the long free tier window. Stale auth or the wrong API key is common.
Primary FixHard reset Antigravity auth, revoke app access, create a fresh AI Studio API key, then re authenticate with the correct Pro account.
ComplexityMedium
Estimated Time10 to 20 minutes

Fix the Pro plan quota lockout now

Step by Step Solution

Step 1 Verify your Pro subscription and sign in state
  • Confirm your plan shows Pro and is active
– Google AI Studio pricing and plan page: https://ai.google.dev/pricing
  • Make sure Antigravity is signed into the same Google account that holds Pro
Step 2 Fully clear Antigravity cached auth and restart the app Quit Antigravity first. Windows PowerShell 
Remove-Item -Recurse -Force "$env:USERPROFILE\.antigravity"
macOS or Linux 
rm -rf ~/.antigravity
Revoke the app and stale tokens so a fresh entitlement is issued
  • Open https://myaccount.google.com/permissions
  • Remove Antigravity and any AI Studio API keys you no longer use
Relauch Antigravity and sign in again with the Pro account. If your issue is tied to a Gemini model error, these steps pair well with the fixes listed here: Gemini 3 1 Pro error fixes in Antigravity. Step 3 Create a fresh AI Studio API key and bind it in Antigravity
  • Create a new key here: https://aistudio.google.com/app/apikey
  • Copy the key and paste it into Antigravity Settings then save
Quick API test to confirm your key is active and not blocked 
curl -i -sS -X POST \
 "https://generativelanguage.googleapis.com/v1beta/models/gemini-1.5-pro:generateContent?key=YOUR_API_KEY" \
 -H "Content-Type: application/json" \
 -d '{ "contents": [ { "parts": [ { "text": "Say hello" } ] } ] }'
  • If you still see a quota error with a far future reset time, proceed to the next step
Step 4 Force entitlement refresh by re auth on all devices
  • Sign out of Antigravity on every device
  • Repeat Step 2 cache removal on each device
  • Sign back in on one device only and test again
Step 5 Check official rate limit behavior and confirm model scope
  • Review current limits to ensure your usage pattern fits Pro expectations: https://ai.google.dev/gemini-api/docs/rate-limits
  • Some limits are model specific. Try a different model family briefly to confirm it is an entitlement issue and not a per model cap
Step 6 Contact AI Studio support to lift an incorrect long window If the reset time still shows many days out after steps above, this points to a mis applied entitlement on the server side. Open a ticket and request a quota window reset for your Pro subscription
  • AI Studio support contact: https://support.google.com/aistudio#contact=1
  • Include the exact error text and the reset timestamp you see in Antigravity
If you also see an account restriction or an upgrade nudge to Ultra that looks incorrect, compare with this checklist on restrictions and plan gating here: common account restriction patterns with Ultra.

Alternative Fixes and Workarounds

Use a second fresh API key tied to the same Pro account
  • Create a new key at https://aistudio.google.com/app/apikey and switch Antigravity to it
  • Sometimes only one key is stuck to the old window
Temporarily switch model or reduce concurrency
  • Lower parallel requests and token budgets to avoid hitting the short term caps while you wait for support
Move heavy jobs to Google Cloud Vertex AI if you need immediate throughput
  • Pay as you go quotas are different and can be raised by request
  • Check Vertex AI quotas here: https://cloud.google.com/vertex-ai/generative-ai/docs/quotas

Troubleshooting Tips

  • Ensure Antigravity is updated to the latest version before retrying
  • Verify the system clock and timezone are correct
  • Confirm no other device or script is still running Antigravity sessions under the same account
  • Look for 429 or RESOURCE_EXHAUSTED in API responses when testing with curl
  • If Antigravity shows model init errors instead of quota messages, review this quick guide: troubleshooting models not loading

Best Practices

  • Add exponential backoff and jitter when you see 429 to avoid long windows
  • Batch requests and cap max tokens for long analyses
  • Prefer a fresh API key for each environment and rotate keys if you change plans
  • Monitor daily usage and active threads so you do not push into hard caps
  • Keep a minimal concurrency setting in Antigravity for large repositories

Final Thought

This issue almost always traces to stale auth or a wrong key that lacks your Pro entitlements. A clean re auth plus a fresh AI Studio key resolves the long reset window in most cases, and support can quickly clear any remaining server side hold.

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