kitio.aiSynthesia vs Spatius
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Synthesia starts at $19/mo and Spatius starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Stock and custom avatars
- 140+ languages
- Document to video
- Automatic translation
- SCORM export
- On-device avatar rendering
- Web, iOS and Android SDKs
- LiveKit integration
- Custom avatar creation
- 100+ languages
| Feature | Synthesia | Spatius |
|---|---|---|
| Best for | AI avatar videos for corporate training and communications | Real-time AI avatars rendered on the user's device for voice agents |
| Category | Video | Video |
| Pricing model | Freemium | Freemium |
| Starting price | $19/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Synthesia | SpatialWalk Pte. Ltd. |
| Based in | United Kingdom | Singapore |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Synthesia starts at $19/mo and Spatius starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Basic
Free
- 500 credits / month
- 10 minutes of video or dubbing
- Videos carry a watermark
Starter
$19/mo
- 1,250 credits / month
- Download videos, remove logo
- AI Video Assistant
- 3 guests
Pro
$89/mo
- 6,000 credits / month
- 5 personal avatars
- Branded pages and interactive videos
- 5 guests
Enterprise
Custom
- Credits tailored to your team
- SAML/SSO and live collaboration
- Tailored onboarding
6 plans
Free
Free
- About 1,200 minutes a year
- 2 concurrent sessions
- 10-minute sessions
- Public avatars
Starter
$16/mo billed yearly
- About 2,000 minutes a month
- 4 concurrent sessions
- 2 custom avatars a month
Builder
$39/mo billed yearly
- About 5,500 minutes a month
- 8 concurrent sessions
- 60-minute sessions
Growth
$119/mo billed yearly
- About 18,000 minutes a month
- 22 concurrent sessions
- 14 custom avatars a month
Scale
$239/mo billed yearly
- About 40,000 minutes a month
- 40 concurrent sessions
- No session length limit
Enterprise
$699/mo
- 80 concurrent sessions
- 80,000 minutes included
- Monthly cap of $5,200
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Synthesia
- Very realistic avatars
- Strong enterprise security
- Easy slide-style editor
- Minutes are capped per plan
- Personal avatars need higher tiers
Spatius
- Low cost per avatar hour
- Works with your existing voice stack
- Free plan allows commercial use
- Free sessions cap at 10 minutes
- Listed prices are billed yearly
- Requires developer integration
Which one should you choose?
Choose Synthesia if you want:
- Very realistic avatars
- Strong enterprise security
- Easy slide-style editor
Watch out: minutes are capped per plan.
Choose Spatius if you want:
- Low cost per avatar hour
- Works with your existing voice stack
- Free plan allows commercial use
Watch out: free sessions cap at 10 minutes.
Synthesia vs Spatius FAQ
What is the difference between Synthesia and Spatius?
Synthesia: AI avatar videos for corporate training and communications. Spatius: Real-time AI avatars rendered on the user's device for voice agents. Both are video tools.
Is Synthesia or Spatius cheaper?
Synthesia starts at $19/mo and Spatius starts at See pricing page. Check both pricing pages for current plans.
Do Synthesia and Spatius have free plans?
Synthesia: Yes. Spatius: Yes.
Who makes Synthesia?
Synthesia is made by Synthesia, based in United Kingdom.
Who makes Spatius?
Spatius is made by SpatialWalk Pte. Ltd., based in Singapore.
Which should I choose, Synthesia or Spatius?
Choose Synthesia if you value very realistic avatars and strong enterprise security. Choose Spatius if you value low cost per avatar hour and works with your existing voice stack.