kitio.aiHeyGen vs AI Video API
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. HeyGen has the lower starting price: about $29 a month, against $40 for AI Video API.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Custom digital twins
- Photo avatars
- Video translation with lip sync
- Voice cloning
- 4K export
- Text to video API
- Image to video
- Webhook callbacks
- Video and GIF output
- Python, Node.js and PHP support
| Feature | HeyGen | AI Video API |
|---|---|---|
| Best for | AI avatar videos, digital twins and video translation | Developer API for Runway-powered text and image to video |
| Category | Video | Video |
| Pricing model | Freemium | Freemium |
| Starting price | $29/mo | $39.90/mo |
| Free plan | Yes | Yes |
| Made by | HeyGen | AI Video API |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
HeyGen has the lower starting price: about $29 a month, against $40 for AI Video API.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 3 videos / month with watermark
- Videos up to 1 minute
- 1 custom video avatar
Creator
$29/mo
- Avatar V with limited usage
- Expanded Video Agent access
- Up to 10 hours of text-to-speech
Pro
$49/mo
- 1,000 credits / month
- 4K video export
- Credits roll over
Business
$149/mo
- 1,500 credits / month
- Videos up to 60 minutes
- 5 custom avatars, brand kit
- Extra seats $20 / month
Enterprise
Contact sales
- No max video duration
- Custom credit volume
- SCIM, MFA and multi-workspace
3 plans
Starter
Free
- 5 free videos
- Runway engine only
Ultra
$39.90/mo
- Up to 250 videos per month
- $0.20 per extra video
Mega
$99.90/mo
- Up to 750 videos per month
- $0.15 per extra video
- 24/7 business support
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
HeyGen
- Lifelike lip sync
- Strong video translation
- Free plan to test
- Credits differ by avatar engine
- 4K only on Pro and above
AI Video API
- Simple REST integration
- Free tier with 5 videos
- Webhook status updates
- Third-party access to Runway models
- Other engines still coming soon
- Overage billed per video
Which one should you choose?
Choose HeyGen if you want:
- Lifelike lip sync
- Strong video translation
- Free plan to test
Watch out: credits differ by avatar engine.
Choose AI Video API if you want:
- Simple REST integration
- Free tier with 5 videos
- Webhook status updates
Watch out: third-party access to runway models.
HeyGen vs AI Video API FAQ
What is the difference between HeyGen and AI Video API?
HeyGen: AI avatar videos, digital twins and video translation. AI Video API: Developer API for Runway-powered text and image to video. Both are video tools.
Is HeyGen or AI Video API cheaper?
HeyGen has the lower starting price: about $29 a month, against $40 for AI Video API.
Do HeyGen and AI Video API have free plans?
HeyGen: Yes. AI Video API: Yes.
Who makes HeyGen?
HeyGen is made by HeyGen, based in United States.
Who makes AI Video API?
AI Video API is made by AI Video API.
Which should I choose, HeyGen or AI Video API?
Choose HeyGen if you value lifelike lip sync and strong video translation. Choose AI Video API if you value simple rest integration and free tier with 5 videos.