Show HN: Chrome new prompt API demo

Category: devtools

Tags: chrome-ai, prompt-api, local-inference

Score: 6.3/10 (Innovation: 7, Technical: 7, Documentation: 6, Utility: 5)

A single-file HTML demo that exercises Chrome's built-in Prompt API with multimodal image input using on-device Gemini Nano. It provides a canvas for drawing, image upload, and model configuration options, showcasing a novel local AI capability directly in the browser without servers or API keys.

Target audience: frontend devs, browser extension devs, AI exploration enthusiasts

Repository: https://matmercer.github.io/prompt-api-demo/ · HTML · MIT

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