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Antigravity limits

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I am subscribed to the Google's AI Pro plan that also gives me an enhanced limit in Antigravity IDE, but today is the first time I have hit the limit when using the Claude Opus 4.5 model extensively for ~2 hours. And after hitting the limits, the below message is shown above the chat interface:

You have reached the quota limit for Claude Opus 4.5 (Thinking). You can resume using this model at 1/9/2026, 8:34:23 PM. You can upgrade to the Google AI Ultra plan to receive the highest rate limits.

I have also read at multiple places that there's a 5-hour limit in Antigravity (at least for AI Pro subscribers) - means, even if you hit the limits, it will be restored within 5 hours, at max.

Update:

As we balance giving the best possible quotas and maintaining fairness between users, especially under incredible demand, we will be establishing generous weekly limits for all models. This will only affect a minority of Google AI Pro users. These limits do not apply to Google AI Ultra, which continues to be the best plan for power developers!

Google Antigravity account tweeted this info just today.

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