Google is reportedly building an Ultra mode for AI Studio Build

Google appears to be building a premium upgrade inside its own vibe coding tool. According to TestingCatalog, the company is developing a new Ultra mode for AI Studio Build. The goal is to improve app generation with more advanced tools and skills. Google has not officially announced the feature, and no launch timeline has been documented. What TestingCatalog spotted The report describes Ultra mode as a work-in-progress upgrade to AI Studio Build. Its stated purpose is to strengthen how the tool generates apps by giving it access to more advanced tools and skills. Google has not publicly confirmed what those tools and skills include. Pricing, availability and eligible users are also unconfirmed. The name invites an obvious guess. Google already sells a subscription called Google AI Ultra, and a feature with matching branding would slot neatly into that product ladder. Recent changes to AI Studio have mostly focused on raising usage quotas for paying subscribers, not on carving out a separate mode. TestingCatalog’s report would mark a shift in that pattern if the feature ships. How Build mode works today You describe an app in natural language, and the tool generates a full-stack ap...