Gemini 3.1 Flash Lite – frequent 503s and high latency recently?

Gemini API
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Been using Gemini 3.1 Flash Lite in a small project and over the past week or so it’s become pretty unreliable. Getting a lot of 503s:

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And when requests do succeed, latency is noticeably worse than before — simple prompts that used to return in under a second are now taking 5–10s.

I’m well within rate limits so it’s not a quota thing. Retries help sometimes but not always. Is this a known issue on the backend? Anyone else seeing this?

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The same problem, sadly, I don’t know what to do about it.

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I also got similar issue I used to check gemini 3.1 flash lite preview speed like month ago and it was comparable with gemini 2.5 flash lite, around 1.5s for my simple task. Now it’s 3s for gemini 3.1 flash lite preview