# I am on ultra plan but i still consistently get this error

**URL:** <https://discuss.ai.google.dev/t/i-am-on-ultra-plan-but-i-still-consistently-get-this-error/138173>\
**Category:** Google Antigravity\
**Tags:** bug\
**Created:** [April 6, 2026, 4:17pm UTC](https://discuss.ai.google.dev/t/i-am-on-ultra-plan-but-i-still-consistently-get-this-error/138173 "2026-04-06T16:17:51Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Sulaiman\_Sanusi](https://d1dlmcr85iqnpo.cloudfront.net/user_avatar/discuss.ai.google.dev/sulaiman_sanusi/32/112319_2.png) [@Sulaiman\_Sanusi](https://discuss.ai.google.dev/u/Sulaiman_Sanusi)\
**Post date:** [April 6, 2026, 4:17pm UTC](https://discuss.ai.google.dev/t/i-am-on-ultra-plan-but-i-still-consistently-get-this-error/138173/1 "2026-04-06T16:17:52Z")

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Trajectory ID: 3935caeb-fb5c-4010-8acb-d27eb9c0  
Error: HTTP 503 Service Unavailable  
Sherlog:  
TraceID: 0x5540c32fe60dc  
Headers: {“Alt-Svc”:[“h3=“:443”; ma=2592000,h3-29=“:443”; ma=2592000”],“Content-Length”:[“429”],“Content-Type”:[“text/event-stream”],“Date”:[“Mon, 06 Apr 2026 16:16:30 GMT”],“Server”:[“ESF”],“Server-Timing”:[“gfet4t7; dur=4188”],“Vary”:[“Origin”,“X-Origin”,“Referer”],“X-Cloudaicompanion-Trace-Id”:[“5540c32fe60dc70d”],“X-Content-Type-Options”:[“nosniff”],“X-Frame-Options”:[“SAMEORIGIN”],“X-Xss-Protection”:[“0”]}

{  
“error”: {  
“code”: 503,  
“details”: [  
{  
“@type”: “[type.googleapis.com/google.rpc.ErrorInfo”](http://type.googleapis.com/google.rpc.ErrorInfo%E2%80%9D),  
“domain”: “[cloudcode-pa.googleapis.com](http://cloudcode-pa.googleapis.com)”,  
“metadata”: {  
“model”: “claude-opus-4-6-thinking”  
},  
“reason”: “MODEL\_CAPACITY\_EXHAUSTED”  
}  
],  
“message”: “No capacity available for model claude-opus-4-6-thinking on the server”,  
“status”: “UNAVAILABLE”  
}  
}

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**Author:** ![Fabbrik](https://d1dlmcr85iqnpo.cloudfront.net/user_avatar/discuss.ai.google.dev/fabbrik/32/114797_2.png) [@Fabbrik](https://discuss.ai.google.dev/u/Fabbrik)\
**Post date:** [April 15, 2026, 1:47am UTC](https://discuss.ai.google.dev/t/i-am-on-ultra-plan-but-i-still-consistently-get-this-error/138173/2 "2026-04-15T01:47:54Z")

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I have ultra and having the same issues, today it was down most of the time. not sure if I can continue using antigravity

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**Author:** ![Phil\_Kakai](https://d1dlmcr85iqnpo.cloudfront.net/user_avatar/discuss.ai.google.dev/phil_kakai/32/114890_2.png) [@Phil\_Kakai](https://discuss.ai.google.dev/u/Phil_Kakai)\
**Post date:** [April 15, 2026, 3:52am UTC](https://discuss.ai.google.dev/t/i-am-on-ultra-plan-but-i-still-consistently-get-this-error/138173/3 "2026-04-15T03:52:20Z")

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Same here, you pay but get slow/not working systems

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**Author:** ![Phuong\_Lambert](https://d1dlmcr85iqnpo.cloudfront.net/user_avatar/discuss.ai.google.dev/phuong_lambert/32/115241_2.png) [@Phuong\_Lambert](https://discuss.ai.google.dev/u/Phuong_Lambert)\
**Post date:** [April 15, 2026, 8:33am UTC](https://discuss.ai.google.dev/t/i-am-on-ultra-plan-but-i-still-consistently-get-this-error/138173/4 "2026-04-15T08:33:58Z")

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Yes, I also have same issue! Even the model quotation of Ultra plan is full (not yet used today)!