Error: HTTP 503 Service Unavailable [MODEL_CAPACITY_EXHAUSTED]

Google Antigravity
, ,
1

Sherlog:
TraceID: 0xb4603310ed775490
Headers: {“Alt-Svc”:[“h3=“:443”; ma=2592000,h3-29=“:443”; ma=2592000”],“Content-Length”:[“421”],“Content-Type”:[“text/event-stream”],“Date”:[“Wed, 08 Apr 2026 08:04:10 GMT”],“Server”:[“ESF”],“Server-Timing”:[“gfet4t7; dur=593”],“Vary”:[“Origin”,“X-Origin”,“Referer”],“X-Cloudaicompanion-Trace-Id”:[“b4603310ed775490”],“X-Content-Type-Options”:[“nosniff”],“X-Frame-Options”:[“SAMEORIGIN”],“X-Xss-Protection”:[“0”]}

{
“error”: {
“code”: 503,
“details”: [
{
“@type”: “type.googleapis.com/google.rpc.ErrorInfo”,
“domain”: “cloudcode-pa.googleapis.com”,
“metadata”: {
“model”: “gemini-3-flash-agent”
},
“reason”: “MODEL_CAPACITY_EXHAUSTED”
}
],
“message”: “No capacity available for model gemini-3-flash-agent on the server”,
“status”: “UNAVAILABLE”
}
}

2

Got the same problem today.

3

Same problem today (all day), any idea on how to fix it?

Trajectory ID: b4e1d642-1836-4154-9839-d5ba80c8e740

Error: HTTP 503 Service Unavailable

Sherlog:

TraceID: 0x91cea9d349fd2bc1

Headers: {“Alt-Svc”:[“h3=\”:443\“; ma=2592000,h3-29=\”:443\“; ma=2592000”],“Content-Length”:[“421”],“Content-Type”:[“text/event-stream”],“Date”:[“Wed, 15 Apr 2026 07:34:56 GMT”],“Server”:[“ESF”],“Server-Timing”:[“gfet4t7; dur=555”],“Vary”:[“Origin”,“X-Origin”,“Referer”],“X-Cloudaicompanion-Trace-Id”:[“91cea9d349fd2bc1”],“X-Content-Type-Options”:[“nosniff”],“X-Frame-Options”:[“SAMEORIGIN”],“X-Xss-Protection”:[“0”]}

{

“error”: {

"code": 503,

"details": \[

  {

    "@type": "type.googleapis.com/google.rpc.ErrorInfo",

    "domain": "[cloudcode-pa.googleapis.com](http://cloudcode-pa.googleapis.com)",

    "metadata": {

      "model": "gemini-3-flash-agent"

    },

    "reason": "MODEL_CAPACITY_EXHAUSTED"

  }

\],

"message": "No capacity available for model gemini-3-flash-agent on the server",

"status": "UNAVAILABLE"

}

}

*********
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Date: 2026-04-02T19:49:45.095Z
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