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Spatius
Spatius offers on-device AI avatar SDKs for web/mobile.
Spatius provides next-generation AI avatar infrastructure with on-device rendering, low-bandwidth real-time interaction, and Web, iOS, and Android SDKs.
Hey hunters
If you've ever tried integrating a real-time AI avatar, you've probably hit one of these walls:
1. Video-generation APIs (HeyGen, Synthesia) — beautiful but not interactive
2. Cloud-rendered streams — 1-2 MB/s bandwidth, $0.10-$0.30/min, 3s+ latency
3. Open-source 3D avatars — you ship the GPU bill
Spatius takes a different approach: cloud GPU only runs lightweight driving inference (~100 kbps stream of FLAME params), and the 3D Gaussian Splatting avatar renders on the user's device. Result:
• $0.42/hour (vs ~$0.15/min industry average)
• <1.5s latency (sub-second with end-to-end voice stacks)
• 60fps on entry-level Android chipsets (G88, RK3576, etc.)
• 99% of mobile/web devices supported, no dedicated GPU needed
What's included:
– SDKs for Web, iOS, Android, Flutter
– LiveKit plugin + Pipecat-friendly
– Python & Go server SDKs
– Free commercial-use avatar
– Generate your own avatar from a single photo (Beta)
Free tier: 500 credits/month, no credit card. We'd love feedback on the docs, the demos, and especially what scenarios you're trying to build — language tutors, interviewers, companions, in-car assistants are where we're seeing the most traction.
Happy to answer anything technical in the comments：
— Team Spatius
Demo: spatius.ai/playground
Docs: docs.spatius.ai
Discord: discord.gg/9HGhZfHZh9
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About Spatius on Product Hunt
“Spatius offers on-device AI avatar SDKs for web/mobile.”
Spatius was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #13 on the daily leaderboard. Spatius provides next-generation AI avatar infrastructure with on-device rendering, low-bandwidth real-time interaction, and Web, iOS, and Android SDKs.
Spatius was featured in Developer Tools (513.7k followers), Artificial Intelligence (470.5k followers) and SDK (769 followers) on Product Hunt. Together, these topics include over 170.7k products, making this a competitive space to launch in.
Who hunted Spatius?
Spatius was hunted by Xuanxuan Zhao. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Xuanxuan Zhao