CHECKING WEBGPU…
Live Browser Demo

Real AI.
Your browser.
No server.

Click below and Gemma 4 — Google's latest mobile AI model — downloads directly into your browser and runs on your GPU. No API key. No account. No data leaves your machine. This is the same local-AI technology Celestos uses on your desktop, at full scale.

⚡ google/gemma-4-E2B-it-qat-mobile  · 1.97 GB · WebGPU compute kernels · cached after first load

WebGPU not available. This demo requires Chrome 113+, Edge 113+, or a recent Chromium browser with WebGPU enabled. Safari support is in progress.

Download Celestos — it runs models natively on any machine, no browser required.
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What you just experienced
Gemma 4. In a browser tab. On your GPU. No server touched.
Celestos runs models up to 70B parameters natively on your machine — no browser overhead, direct metal access, dramatically faster. Plus 12 specialist systems that route every request to the right tool automatically.
This browser demo
⚡ Gemma 4 E2B · 2.3B params
🌐 WebGPU (browser overhead)
🔒 Private · no server
💬 1 model · chat only
📦 ~2GB one-time download
Celestos on your desktop
🚀 Any model up to 70B+
⚙️ Native metal · full GPU speed
🔒 Private · everything local
🧠 12 specialist systems
📚 Memory · agents · workflows · voice
Download Celestos Free See All 12 Systems
ON DEVICEYour text never left this tab. Zero network calls were made after the model loaded.
SAME TECHWebGPU is the browser-layer of what Celestos uses natively — llama.cpp on bare metal, no overhead.
CACHEDClose the tab, come back later. Gemma 4 loads in seconds from your browser cache.