3.1 Pro was always Unavailable I tried to do my work with 3.0 flash, but now it throw this error on every request. BTW, already canceled the Ai Pro plan. On free plan, i am ready to suffer….
Trajectory ID: 80df4508-7bcb-49c1-baa9…
Error: HTTP 503 Service Unavailable
Sherlog:
TraceID: 0x397d12de9ada…
Headers: {“Alt-Svc”:[“h3=“:443”; ma=2592000,h3-29=“:443”; ma=2592000”],“Content-Length”:[“514”],“Content-Type”:[“text/event-stream”],“Date”:[“Thu, 12 Mar 2026 06:46:52 GMT”],“Server”:[“ESF”],“Server-Timing”:[“gfet4t7; dur=2687”],“Vary”:[“Origin”,“X-Origin”,“Referer”],“X-Cloudaicompanion-Trace-Id”:[“397d12de9adac9be”],“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”
},
“reason”: “MODEL_CAPACITY_EXHAUSTED”
},
{
“@type”: “type.googleapis.com/google.rpc.RetryInfo”,
“retryDelay”: “7s”
}
],
“message”: “No capacity available for model gemini-3-flash on the server”,
“status”: “UNAVAILABLE”
}
}