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Reply Composer
Text InputPick an intent — accept, decline, stall — and the Writer drafts the reply to a real email, streaming, with tone and length knobs.
Why On-Device?
Replies are drafted next to your inbox with zero upload: the incoming email is the Writer's sharedContext and never leaves the device.
Interactive Demo
Writer: Loading...
Incoming
Reply intent
Tone
Length
Draft Reply
Pick an intent above — the reply streams here, written entirely on-device.
Implementation Code
demo.js
Keep exploring
64 demos, all running on-device.
Story Time
The Writer invents a bedtime story from three ingredients, then the browser reads it aloud — highlighting each word as it speaks.
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Universal Inbox
A five-API pipeline: detect each message's language, translate it, triage it into folders, digest the inbox, and draft replies in the sender's language.
Language Detector Translator Semantic Embedder Summarizer Writer
One-Click Support Responder
Open a customer email and get the exact one-click resolution button plus a tailored reply drafted with the Writer API.
Classifier Writer