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Structured JSON Output
Tools CallingForce the model to output a strictly formatted JSON object.
Why On-Device?
Perfect for local data parsing pipelines where data shouldn't leave the system, ensuring reliable programmatic ingestion.
Interactive Demo
Data Pipeline Source
Parsed Output
Valid, strictly typed JSON will appear here.
Implementation Code
demo.js
Keep exploring
56 demos, all running on-device.
Tool Calling: Smart Home
Real function calling: tell the model what you want and watch it invoke JavaScript tools that drive a live dashboard.
Prompt API
Speak to Fill
Say "table for four next Friday at seven, outside" and watch the booking form fill itself — speech in, structured data out.
Web Speech Prompt API
The Omnibox
One input, every API: whatever you paste is intent-routed to the right tool — translate, summarize, proofread, rewrite, or answer.
Semantic Embedder Language Detector Translator Summarizer Proofreader Rewriter Prompt API