When we at the traffic time to use high model like Claude/Gemini pro high. we definitely got that error but that’s not about u fault. because Google Antigravity model API is traffic when u got that error if u try to change the another model like nobody care model Gemini3 Flash or Pro (Low) model u will can directly use model not error window coming again.
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So i’m not to look for antigravity basic code or anything else i can know it. that API will be got attack or waste user something else situation. because Free for everyone sounds good but will get some people attack like found the API basic code and to using at another IDE or Claude so that a lot operation make Antigravity call api got low efficiency to anybody whatever u are Ultra or Pro user when u got that error is means high traffic time.**
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I believe Google team will be resolve that problem to protect basic API function.**
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And when u got that error again try to change another model i think u need to patience to talk with another model with write a good prompt.
Hope that at all will helpful for u.**