Both platforms power real-time interactive AI avatars - but they take very different approaches to cost, architecture, and scale. Here’s the honest breakdown.
Quick verdict
Teams that need real-time digital humans at scale - especially on mobile or in bandwidth-constrained environments. With edge rendering and SDK support for Web, iOS, and Android, Spatius is built for production deployments where cost and compatibility actually matter.
Developer teams building web-first conversational avatar experiences who want an API-first JS SDK and the flexibility to plug in their own LLM backend. Great for quick prototyping with minimal infrastructure setup.
What are Spatius and Anam.ai?
Spatius - Next-Gen Digital Human Infrastructure
Spatius (formerly SpatialReal) is a real-time digital human platform built around on-device edge rendering. Instead of streaming video from the cloud, Spatius sends a lightweight 10-20 KB/s driver signal that renders the avatar directly on the user's device - cutting infrastructure costs exponentially and enabling use cases that cloud-based tools simply can't support.
- → $0.007/min - ~95% cost reduction vs. industry average
- → Web, iOS & Android SDK - truly cross-platform
- → Works on 99% of Android, iOS, and Web devices
- → <1.5s latency without high-speed network dependency
- → Quick start in 10 minutes
Anam.ai - Real-Time AI Avatar API
Anam.ai is an API-first platform for building conversational AI avatar experiences over WebRTC. Their CARA-3 model ranks #1 on Avatar Benchmark 2025, delivering ~180ms avatar response latency. Anam supports 50+ languages and lets you connect any LLM backend - GPT-4o, Claude, Mistral, or custom models.
- → CARA-3 model - #1 on Avatar Benchmark 2025
- → ~180ms avatar latency via WebRTC
- → 50+ languages, 300+ voices
- → Bring your own LLM
- → Starts at $12/mo + $0.12/min
Feature comparison
Side-by-side breakdown of key capabilities. Last updated April 2026.
| Feature | Spatius | Anam.ai |
|---|---|---|
| Core Technology | ||
| Rendering approach | On-device edge rendering | Cloud streaming (WebRTC) |
| Bandwidth required | 10-20 KB/s | 1-2 MB/s (video stream) |
| Response latency | <1.5s | ~180ms avatar / <1s system |
| Works on low bandwidth | Yes | No |
| Cost per minute | $0.007/min | $0.12/min |
| Free tier | 500 credits/mo (~50 min) | Limited trial |
| Entry paid plan | $19/mo | $12/mo |
| Platform & SDKs | ||
| Web SDK | Yes | Yes |
| iOS SDK | Yes | No |
| Android SDK | Yes | No |
| Device compatibility | 99% of iOS/Android/Web | Browser/web-first |
| Integration | ||
| Bring your own LLM | Yes | Yes |
| LiveKit / WebRTC support | Yes | Yes |
| Custom avatar library | Free avatar library | From single image |
| Voice cloning | Yes | Yes |
| Deployment | ||
| Isolated / enterprise deploy | Yes | Cloud only |
| Concurrent sessions (Scale plan) | 40 | Not publicly disclosed |
| Max session length (Scale) | Unlimited | Varies by plan |
Where Spatius pulls ahead
Four areas where Spatius offers a fundamentally different - and better - experience.
21x Lower Cost Per Minute
Spatius charges $0.007/min. The industry average - including Anam.ai's $0.12/min - is roughly 21x higher. This isn't a promotional rate; it's the direct result of edge rendering architecture. When you're not renting cloud GPUs to stream video, the math changes entirely. At $5,000/month: Spatius gives you ~714,000 minutes. Anam gives you ~41,000.
True Cross-Platform: Web + iOS + Android
Anam.ai is built primarily for web/JavaScript environments. Spatius ships native SDKs for Web, iOS, and Android - meaning you can build once and deploy consistently across all surfaces, including mobile apps, kiosks, and in-vehicle systems.
Works Anywhere, Not Just Fast Networks
Because Spatius renders avatars on-device rather than streaming video, it only requires 10-20 KB/s - comparable to a voice call. Anam's cloud video stream demands 1-2 MB/s of stable bandwidth. For kiosks, hardware devices, or emerging markets, this difference is the difference between working and not working.
Built for Hardware & Embedded Use Cases
Spatius is designed for deployment beyond the browser - in-vehicle systems, AI hardware devices, interactive kiosks, and companion robots. The lightweight edge rendering model makes this possible. Anam.ai's cloud-first architecture isn't suited for these environments.
Pricing at a glance
Spatius
- Free - $0/mo
- ~50 min/mo · 2 concurrent sessions · Web, iOS & Android SDKs
- Starter - $19/mo
- ~2,200 min/mo · $0.009/min · 5 concurrent sessions · Email support
- Scale - $299/mo
- ~40,000 min/mo · $0.007/min · 40 concurrent sessions · No session limits · Premium Slack support
- Enterprise - Custom
- Unlimited usage · Isolated deployment · Dedicated integration support · All platforms
Anam.ai
- Free - Limited trial
- -
- Starter - ~$12/mo
- + $0.12/min of session time
- Pro - Usage-based
- Higher limits, volume discounts
- Enterprise - Custom
- SLA + dedicated support
Note: At $0.12/min, costs scale quickly at production volume.
Frequently asked questions
Is Spatius a good alternative to Anam.ai? +
Yes - particularly if you need mobile SDK support, lower cost at scale, or deployment in low-bandwidth or offline-capable environments. Spatius and Anam.ai both deliver real-time interactive digital humans but differ fundamentally in rendering architecture, platform support, and pricing. See the comparison table above for the full picture.
How much cheaper is Spatius than Anam.ai? +
Spatius costs $0.007/min on the Scale plan. Anam.ai charges $0.12/min. That's roughly 17x cheaper per minute. On a $5,000/month budget, Spatius delivers ~714,000 minutes of avatar time vs ~41,000 on Anam - a difference of 673,000 minutes.
Does Spatius have iOS and Android SDKs? +
Yes. All Spatius plans - including the free tier - include Web, iOS, and Android SDKs. Anam.ai is primarily a web/JavaScript platform and does not offer native mobile SDKs.
How does Spatius achieve such low costs? +
Traditional platforms (including Anam.ai) stream avatar video from the cloud, requiring 1-2 MB/s of bandwidth and constant GPU rendering. Spatius uses on-device edge rendering - sending a lightweight 10-20 KB/s driver signal that renders the avatar locally. This eliminates cloud GPU costs and makes the pricing difference possible.
Can I use my own LLM with Spatius? +
Yes. Spatius integrates with LiveKit and standard audio protocols, allowing you to connect your own LLM and voice pipeline. You're not locked into a specific AI backend.
How long does it take to get started with Spatius? +
The typical quickstart takes about 10 minutes. Spatius provides a free avatar library, API key management via the Studio dashboard, and both LiveKit-based and SDK-based integration paths.
Start building with Spatius in 10 minutes - free tier included, no credit card required. Start for free , or ，或 book a demo 。