WebGPU Gemma 4 — POCs

Browser-only inference. Model: onnx-community/gemma-4-E2B-it-ONNX, q4f16, WebGPU.

POC #1

Tax WebGPU

IRS form picker with per-form Q&A injected as RAG context. Field-level help, known issues, grounded chat.

→ taxwebgpu.html
POC #2

Arena

Agentic tool-calling. Ask Gemma to render charts; model picks a component, loads it, mounts it on the canvas.

→ arena.html
POC #3

Simple Chat

Bare-bones single-turn chat with Gemma 4. No tools, no RAG — just the raw model running on WebGPU.

→ simple.html