Running Gemini 2.5 Pro with grounded search sometimes returns empty response.text with finish_reason of STOP and no other reason. When I inspect the response dict it shows evidence of the search with some web meta information, but nothing else. Any ideas on what is going on? Here is my code: def …

I’ve encountered the same issue, experiencing very frequent empty responses today. After an empty response, retrying multiple times still results in empty replies. Additionally, some requests today occasionally return incomplete content.

I have the same issue with 2.5 Flash / Python SDK.

Well, I spoke too soon. It seems my healthy instance theory didn’t last long. Just tried another complex Map-Reduce job, and it’s back to the same old story. On top of that, I’m observing a some kind of degradation in the quality of the successful responses I do get. The model’s adherence to the d…

Same here, last week everything was fine, I can’t see the problem

It won’t be helpful for a long automated process

it’s insane how they still haven’t fixed this issue after the forum is literally filled only with posts about exactly the same issue

Hey folks, flagging to the team! Sorry for the delay here, this was a bit of a known issue from the latest 2.5 Pro model launch, but it seems like something has changed recently so getting eyes on this asap.

[image] mabbas: This issue appears to be on certain accounts only, I’ve got several api keys. On one of my keys it’s failing almost 100% of the time, when I switch api keys and use the exact same prompt, it succeeds 100% of the time. This issue is not account based

Running into issues as well; sometimes the internal reasoning the model produces does not even make any sense compared to what my prompt says. Frustratingly, on the AI Studio, everything seems to work fine with the same generation parameters and prompt.

Gemini 2.5 Pro with empty response.text

Gemini API

Rodger_Blom August 19, 2025, 12:13pm 170

Hi community, if you read this thread and you’re facing this issue with Gemini 2.5 please like this thread or leave a reply. It is very important as we need to get the Google Engineering team to put this on their top priority list. Tnx

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Gemini 2.5 Pro with empty response.text

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