# Gemini 4 Carbon in Google AI Studio requires an AI Ultra plan or API key

> Original title: GOOGLE 🔥: Gemini 4 Carbon in Google AI Studio will require a Google AI Ultra plan or an API Key, according to an updated "upgrade" pop-up.

- Source: Testing Catalog
- Published: 2026-11-10T14:14:01.000Z
- Bad Influence: https://badinfluence.news/items/lm8jnq9u989sxozqzgjasn3q7
- Original: https://x.com/testingcatalog/status/2120158039051252077

## Summary

An updated upgrade pop-up in Google AI Studio says Gemini 4 Carbon needs a Google AI Ultra plan or a Gemini API key. The post suggests Carbon will reach Ultra users and the API at least.

## Post

GOOGLE 🔥: Gemini 4 Carbon in Google AI Studio will require a Google AI Ultra plan or an API Key, according to an updated "upgrade" pop-up. 

> "Gemini 4 Carbon needs a Google AI Ultra plan or a Gemini API key."

This means that we will see Carbon released for Ultra users and on the APIs at least!

![](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Fmedia%2FHWxQX93WEAEd0yR.jpg&mode=thumb&exp=1794528000&sig=44ba42db5d796aa5)

## Quoted post @beklersiker

> @testingcatalog

https://x.com/beklersiker/status/2120155430995525857