Google Launches A2UI Open Standard: Let AI Agents Become Interface Designers, Say Goodbye to Monotonous Text Conversations

 Google has recently launched the A2UI (Agent-to-User Interface) open standard, empowering AI agents to create graphical interfaces instantly. AI is no longer limited to sending text responses; it can now directly generate form fields, buttons, and other user interface elements, seamlessly integrating into any application, bringing a revolutionary change to AI interaction experiences.

From Pure Text to Dynamic Interfaces: A Paradigm Shift in AI Interaction

A2UI is released under the Apache 2.0 license, aiming to standardize how AI agents create visual responses and bridge the gap between generative AI and graphical user interfaces. The core idea behind this standard is that pure text or code outputs often fail to meet the needs of complex tasks.

Google uses a restaurant booking scenario to illustrate this pain point—traditional text-based conversations are lengthy and cumbersome, requiring users to repeatedly confirm details like dates, times, and group sizes across multiple rounds of dialogue. With A2UI, an AI customer service agent can immediately generate a complete form with date pickers and available time slots, allowing users to complete the booking by simply clicking, significantly improving interaction efficiency.

Its ultimate goal is to create "context-aware interfaces"—dynamic interfaces that automatically adjust as the conversation progresses, presenting the most suitable interactive elements in real-time based on user needs.

Customer service representatives can create booking forms on the spot without lengthy text chats. | Image: Google

Transferring Data, Not Code: Achieving Security and Flexibility

The unique aspect of A2UI lies in its working mechanism: transferring structured data instead of executable code. This design significantly enhances security, avoiding potential risks such as code injection, while allowing interface designs to flexibly adapt to the unique styles and requirements of each application.

This standard is platform-agnostic, running seamlessly across different environments such as web, mobile, and desktop. This means developers do not need to repeatedly develop for different platforms; UI elements generated by AI agents can automatically adapt to various devices and operating systems.

The server does not directly provide ready-made HTML code but transmits JSON data, which the client converts into native UI elements using a local component directory. | Image: Google

Already in Production and Widely Supported

Notably, A2UI is not just a conceptual project but a mature standard already in practical use. Google states that the standard has received support from multiple partners, indicating that AI agent interface generation is becoming an industry-wide capability.

The launch of this standard marks an important turning point in AI interaction methods. In the past, AI mainly communicated with users through text, and even advanced models like ChatGPT and Claude primarily relied on text outputs. The emergence of A2UI allows AI to "think" about interfaces like human designers, dynamically creating the most suitable interaction methods based on the conversational context.

In the long term, A2UI may reshape the user experience standards for AI applications. In the future, user interactions with AI will no longer be monotonous text exchanges, but rich interface experiences filled with dynamic forms, visual charts, and interactive buttons. This not only improves efficiency but also makes AI services more intuitive and human-centered.

As an open standard, the Apache 2.0 license of A2UI means that any developer or organization can freely use and improve this technology, which is expected to drive rapid development in user interface innovation across the entire AI industry.