For me it’s up and running.
I was doing some work with AI Studio when it was released and reran a few prompts already. Interesting also that you can now set thinking level low or high. I hope it does something, in 2.5 increasing maximum thought tokens never made it think more
you can bring your google api key to try it out, and google used to give $300 free when signing up for billing and creating a key.
when i signed up for billing via cloud console and entered my credit card, i got $300 "free credits".
i haven't thrown a difficult problem at gemini 3 pro it yet, but i'm sure i got to see it in some of the A/B tests in aistudio for a while. i could not tell which model was clearly better, one was always more succinct and i liked its "style" but they usually offered about the same solution.
"Failed to generate content, quota exceeded: you have reached the limit of requests today for this model. Please try again tomorrow."
"You've reached your rate limit. Please try again later."
Update: as of 3:33 PM UTC, Tuesday, November 18, 2025, it seems to be enabled.