Synthesia vs HeyGen
A comprehensive comparison to help you choose the best AI video maker for your needs in 2026.
Written by Mevlüt Hançerkıran · Co-founder, VivideoChoosing between Synthesia and HeyGen? In short, Synthesia focuses on corporate training, while HeyGen targets sales videos. This Synthesia vs HeyGen comparison breaks down pricing, capabilities and which one fits your workflow.
Synthesia vs HeyGen: head-to-head
Tap a category to see who leads — scored on the same facts as the full table below.
HeyGen leads on Free to start.
Synthesia vs HeyGen: Which Should You Choose?
Corporate training and HR teams define Synthesia's product decisions, from proprietary avatars fronting videos up to 30 min to the $29-$99/month pricing; the absence of a real free tier signals a tool aimed at committed departments.
Outreach-driven sales teams read HeyGen differently: avatar videos capped at 5 min per video suit personalized prospect messages, plans cost $29-$89/month, and a watermarked free tier lets reps prove the concept before budget approval.
Beyond avatars, both platforms stop short. Vivideo continues the workflow with 30+ AI video models including Sora 2, Veo 3.1, and Kling, built-in editing, localization into 30 languages using 200+ AI voices, watermark-free exports, and videos up to 10 minutes.
Synthesia
Synthesia is the leading AI avatar video platform for corporate training and internal communications. It generates realistic AI presenters that speak over 140 languages, perfect for global enterprise content at scale.
HeyGen
HeyGen creates AI avatar videos for personalized sales outreach and marketing campaigns. The platform focuses on realistic human-like avatars that can be customized for brand representation.
Who Should Choose Each Tool?
Choose Synthesia if...
- You need corporate training, hr videos
- You can invest $29-$99/month
- You prefer template-based workflows
- Desktop workflow is preferred
Choose HeyGen if...
- You need sales videos, personalized outreach
- API integration is required
- Team collaboration is essential
- Built-in voiceover is important
Key Differences
Pricing Approach
Synthesia starts at $29-$99/month, while HeyGen offers $29-$89/month. Consider your budget and required features when choosing.
Target Audience
Synthesia is optimized for corporate training, hr videos. HeyGen excels with sales videos, personalized outreach. Choose based on your primary use case.
Free Tier Quality
Both tools add watermarks on free exports. For truly free, watermark-free videos, Vivideo is the better choice.
Technical Capabilities
Synthesia offers Proprietary avatars with 30 min video length. HeyGen provides Proprietary avatars with 5 min per video video length.
Detailed Comparison
| Feature | Synthesia | HeyGen | Vivideo ⭐ |
|---|---|---|---|
| Pricing | $29-$99/month | $29-$89/month | Free / Premium |
| Free Option | |||
| Watermark on Free | |||
| AI Models | Proprietary avatars | Proprietary avatars | Kling, Runway, Luma, Veo |
| Export Formats | MP4 | MP4 | MP4, MOV, GIF |
| Max Video Length | 30 min | 5 min per video | Up to 2 min free |
| AI Voiceover | |||
| Templates | |||
| Mobile App | |||
| Chrome Extension | |||
| API Access | |||
| Team Collaboration | |||
| Best For | Corporate training, HR videos | Sales videos, personalized outreach | Social media creators, marketers, beginners |
Limitations to Consider
Synthesia Limitations
- No free tier available
- Watermark on free exports
- No mobile app available
- No browser extension
HeyGen Limitations
- Watermark on free exports
- No mobile app available
Our Verdict
Pick Synthesia if corporate training is the priority and HeyGen if sales videos is; to get both without juggling Synthesia and HeyGen, Vivideo bundles 30+ models, editing and localization in one plan.
Why settle for limitations? Vivideo offers the best of both worlds.
Why Choose Vivideo Instead?
- Free to start with no watermark on free creations — upgrade only when you need premium models or higher limits
- AI-powered text-to-video and image-to-video generation
- Professional quality output ready for TikTok, YouTube, Instagram
- No credit card required - start creating immediately
- Available on web, iOS, Android, and Chrome extension
Frequently Asked Questions
Is Synthesia or HeyGen better?
Duration and audience decide it. Synthesia's 30 min ceiling fits corporate training and HR videos; HeyGen's 5 min per video format fits sales outreach. Vivideo suits teams whose content strays beyond avatars, with 30+ models on a single plan.
What's the difference between Synthesia and HeyGen?
Format is the practical gap between two otherwise similar avatar platforms: Synthesia builds training videos up to 30 min at $29-$99/month, while HeyGen builds short 5 min per video outreach clips at $29-$89/month. Both rely on proprietary avatars.
Is Synthesia or HeyGen free?
Strictly speaking, only HeyGen is — it has a free tier, though exports carry a watermark. Synthesia offers no real free tier. Vivideo starts free with daily generations, and nothing it exports is watermarked.
Which is cheaper, Synthesia or HeyGen?
Barely anything separates them on paper — HeyGen's $29-$89/month range sits just under Synthesia's $29-$99/month. The real difference is the trial path: HeyGen's watermarked free tier costs nothing to start, while Synthesia has no real free tier.
Is there a better alternative to Synthesia and HeyGen?
Organizations comparing avatar vendors often widen the search to Vivideo, which pairs 30+ AI video models with 200+ AI voices in 30 languages, built-in editing, and watermark-free exports — one subscription covering training-length content up to 10 minutes as well as short clips.