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CHECKING WEBGPU…
Live Browser Demo

Real AI.
Your browser.
No server.

Click below and a real 2.3B parameter 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.

⚡ Celestos AI Engine  · 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.

Sign up for Celestos early access — native builds run models on your machine without browser limits.
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What you just experienced
Real AI. 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
⚡ Celestos AI · 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
Sign Up for Early Access 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. The model loads in seconds from your browser cache.