Agent Studio is the tool for designing and deploying enterprise agents within Agent Platform, geared toward business workflows with proprietary tools and data. Google AI Studio is the free, rapid-prototyping tool for experimenting with prompts and Gemini models without needing a Google Cloud account.
In GENAI-L (Domain 2, section 2.5) this is an explicit distinction in the exam guide: Google AI Studio for quick exploration and prototyping; Agent Studio (within Agent Platform) for building and deploying enterprise-grade agents with integration into data and tools.
Agent Studio vs. Google AI Studio is a concept that can show up on the exam. Check the full guide to see it in context.