A comprehensive comparison to help you choose the best AI video maker for your needs in 2025.
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 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.
Synthesia starts at $29-$99/month, while HeyGen offers $29-$89/month. Consider your budget and required features when choosing.
Synthesia is optimized for corporate training, hr videos. HeyGen excels with sales videos, personalized outreach. Choose based on your primary use case.
Both tools add watermarks on free exports. For truly free, watermark-free videos, Vivideo is the better choice.
Synthesia offers Proprietary avatars with 30 min video length. HeyGen provides Proprietary avatars with 5 min per video video length.
| Feature | Synthesia | HeyGen | Vivideo β |
|---|---|---|---|
| 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 |
Both Synthesia and HeyGen are solid choices, but each has its strengths and weaknesses. Your choice depends on your specific needs, budget, and the type of content you want to create.
Both tools have their strengths. Synthesia excels in certain areas while HeyGen has advantages in others. For a free alternative that combines the best features, consider trying Vivideo.
Yes! Vivideo is a completely free AI video generator with no watermarks. It offers features comparable to both Synthesia and HeyGen without the monthly subscription costs.
Absolutely! Vivideo is designed to be easy to use for everyone. You can start creating videos immediately with no learning curve. Simply visit app.vivideo.ai to get started.
Vivideo stands out by being truly free without watermarks, offering unlimited video creation, and providing a seamless experience across web, mobile, and browser extension. It is the only AI video generator that combines professional quality with zero cost.