{"type":"post","id":"fast-reliable-a2ui-with-swappable-inference-formats-f5e911","slug":"fast-reliable-a2ui-with-swappable-inference-formats-f5e911","title":"Fast, reliable A2UI, with swappable inference formats","description":"Google has added swappable inference formats to A2UI and made A2UI Express its new default format.","retrieval_nugget":"Google has added swappable inference formats to A2UI and made A2UI Express its new default format. Instead of asking a model to emit a full JSON interface tree, teams can use compact model-facing syntax compiled by the SDK into validated A2UI messages, targeting lower latency and fewer generated tokens.","published_at":"2026-10-28","updated_at":"2026-10-28","record_date":"2026-10-28","date_kind":"published_at","topics":["google","gemini"],"entities":["Google","A2UI","A2UI Express","Jev","TypeSafe","Gemini 3.5 Flash"],"related_patterns":["agent-protocols-become-interoperability-layer","model-answers-become-task-interfaces","agent-ready-software-exposes-capabilities"],"novelty_label":"new_fact","what_changed":"Google introduces A2UI Express and swappable inference formats, claiming up to 3× lower latency and up to 80× with decision models—distinct from the archive’s general inference coverage.","prior_refs":["memory:659ae474-e509-8f77-a64e-cd53c5e8d8c2","memory:3dfd874a-49b6-8bc0-a2cb-9cc0ca3cf2d1"],"source_url":"https://developers.googleblog.com/fast-reliable-a2ui","source_urls":["https://developers.googleblog.com/fast-reliable-a2ui"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:fast-reliable-a2ui-with-swappable-inference-formats-f5e911","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/fast-reliable-a2ui-with-swappable-inference-formats-f5e911/","markdown":"https://newruntime.com/posts/fast-reliable-a2ui-with-swappable-inference-formats-f5e911.md","json":"https://newruntime.com/posts/fast-reliable-a2ui-with-swappable-inference-formats-f5e911.json"},"next_reads":[{"type":"topic","path":"/topics/google/","url":"https://newruntime.com/topics/google/","title":"Google","reason":"Explore the google topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/google.md","json_url":"https://newruntime.com/topics/google.json"},{"type":"topic","path":"/topics/gemini/","url":"https://newruntime.com/topics/gemini/","title":"Gemini","reason":"Explore the gemini topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/gemini.md","json_url":"https://newruntime.com/topics/gemini.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}