Google Gemini Enterprise Agent Platform: Build and Deploy A2A Agents

On April 22, 2026, at Google Cloud Next in Las Vegas, Google did something that went beyond renaming a product. Vertex AI — the platform used by tens of thousands of developers to build and deploy LLM applications — became the Gemini Enterprise Agent Platform. And unlike most rebrands, this one came with real consequences: a migration deadline, a new SDK, and an architectural shift that puts agents at the center of everything Google Cloud does in AI. If you're still using the Vertex AI SDK, the