Agents · Updated 27 Oct, 11:14 pm IST
Google adds swappable inference formats and A2UI Express for faster generative UI
Why it matters for readers: It explains a technical change that makes AI-generated interfaces quicker and less error-prone.
- Google introduced swappable inference formats for A2UI so developers can choose the inference trade-off per screen.1
- A2UI Express is an intermediate inference format optimized for speed and accuracy that agents can now generate instead of full JSON trees.1
- Google reports A2UI Express can reduce latency by up to 3x and requires up to 3x fewer tokens than Direct JSON.1
- Using decision models like Jev for layout decisions can cut latency by up to 80x, enabling much faster generative UI experiences.1
- Previously, generating full A2UI JSON transport messages was slow and error-prone for LLMs, which motivated the new formats.1
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