Repository Public
1Use your Google AI subscription plan in AI Studio.23Google AI Pro and Ultra subscription plans provide greater model access and4increased rate limits for prototyping and development in AI Studio compared to5the free tier.67To sign up for a Google AI plan, you can upgrade directly from within8Google AI Studio by clicking the **Upgrade** button in the left navigation9menu. Alternatively, you can sign up by visiting the10[Google AI Plans page](https://one.google.com/about/google-ai-plans/).1112## Overview1314Google AI Pro and Ultra subscriptions enable developers to unlock paid15models and higher rate limits in the Google AI Studio Playground and features16like the Code Assistant in [Build mode](https://ai.google.dev/gemini-api/docs/aistudio-build-mode)17for vibe coding. Subscribers receive baseline daily quota allowances18higher than the free tier for use across the19[Playground](https://aistudio.google.com/prompts/new_chat) and20[Build](https://aistudio.google.com/apps) interfaces. Daily limits are21enforced using resets rather than rolling time windows, ensuring a smooth22development experience before transitioning to production-scale23development with Cloud Billing.2425| Plan | AI Studio usage | Model access and benefits |26|---|---|---|27| **Free** | Modest quota | Basic limits and access, with the option to upgrade for more. |28| **AI Pro** | Higher quota | Access to premium models like Gemini Pro, Nano Banana, and Lyria. |29| **AI Ultra** | Highest quota | Highest limits for prototyping, development, and advanced frontier models. |3031## Gemini API usage3233When daily baseline subscription quotas are exhausted in AI Studio,34you can continue your workflows using a Gemini API key with Cloud35Billing enabled for pay-per-request usage of the Gemini API directly.36Gemini API usage for projects and API keys can be observed in the37[AI Studio Dashboard](https://aistudio.google.com/projects).3839Subscribers with Google Cloud Platform (GCP) projects and Cloud Billing40enabled are eligible to receive monthly Cloud credits from the41[Google Developer Program](https://developers.google.com/program)42for Cloud services, including the Gemini API. Prepay and postpay43usage and billing remain unchanged. For users on prepay billing, a44paid balance greater than $0 is required in AI Studio to activate promotional45credits. Eligible Google Cloud credits, if any, are applied first.46[Learn more](https://ai.google.dev/gemini-api/docs/billing#billing-plans).4748Google AI subscription integration lowers the barrier to entry for49advanced experimentation and development. However, for production50deployments at scale, Google Cloud projects, the51[Google Cloud Starter Tier](https://cloud.google.com/blog/topics/developers-practitioners/the-starter-tier-for-google-ai-studio-explained),52and Gemini API keys are the recommended path.5354## Limitations and compatibility5556- **AI Studio UI only:** Google AI plan benefits for developer usage apply only within the Google AI Studio web interface. Direct use of the Gemini API (such as using API keys or external applications) is billed and managed separately. You can, however, use your subscription across other Google products (see [Google AI Plans](https://one.google.com/about/google-ai-plans/)).57- **Different from API billing:** Google AI plans for AI Studio are separate from [Gemini API usage tiers](https://ai.google.dev/gemini-api/docs/billing), which cover development and production API usage.58- **Google One credits:** [Google One AI credits](https://support.google.com/googleone/answer/16287445) are a separate credit system that isn't supported within AI Studio and don't overlap with Google Cloud credits.59- **Agent access:** Access to agents (Deep Research and Antigravity Preview) within AI Studio is not included in Google AI plans and requires a [paid API key](https://ai.google.dev/gemini-api/docs/billing#setup-billing).