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Documentation Index

Fetch the complete documentation index at: https://docs.spatius.ai/llms.txt

Use this file to discover all available pages before exploring further.

Spatius is an avatar-only service — it takes audio in and outputs real-time avatar motion. Voice conversation, speech synthesis, and agent logic are handled by your application or third-party services.

Pick your mode

Use LiveKit Plugin for Spatius — Add to your existing voice agent, it handles session, audio, and interrupts automatically.
Use Basic Mode — Recommended starting point. Client SDK handles everything, no server code needed.
Use Custom Mode — Build your own agent and plug into Spatius. You can reuse LiveKit as the transport layer, or go further and customize the transport end-to-end.

Compare

ModeLatencyDev EffortPlatform
LiveKit Plugin🟢 Ultra-Low🟢 LowWeb
Basic Mode🟡 Moderate🟢 LowWeb / iOS / Android
Custom Mode🟢 Ultra-Low🟡 Medium / High (depends)Web / iOS / Android

Start from runnable examples

AvatarKit Voice Agent Demo

Clone, fill in .env, and run.