In the rapidly evolving world of AI video generators, two platforms stand out as industry leaders: InVideo AI and Synthesia. Both tools promise to transform how we create video content, but they serve different needs and use cases. This comprehensive comparison will help you choose the best video generator AI for your specific requirements.
Whether you're looking for a free video generator, need to create videos from text prompts, or want to convert PowerPoint presentations into engaging videos, this guide covers everything you need to know about these powerful AI video makers.
In this comparison, we'll examine both platforms across key areas including:
 |  | |
|---|---|---|
| Best For | Marketing videos, social media content, text-to-video | Business presentations, training videos, AI avatars |
| Starting Price | Free | $29/month |
| Free Plan | 10 minutes/week | 3 minutes/month |
| AI Avatars | Limited | 70+ avatars |
| Languages | 75+ | 130+ |
| PowerPoint Import | ||
| Text-to-Video | Excellent | Good |
InVideo AI is a comprehensive text to video AI platform that specializes in creating marketing videos, social media content, and promotional materials. It's designed for content creators, marketers, and businesses who need to quickly generate engaging video content from simple text prompts.
The platform features a clean, modern interface that makes video creation accessible to users of all skill levels. As shown in the screenshot above, InVideo's homepage emphasizes "Create videos without limits" and showcases various AI-powered features.
The main interface, shown above, provides a simple text input field where users can enter their video topic and let AI generate complete video plans.
Synthesia is a specialized AI video generator focused on creating professional videos with AI avatars. It excels at converting PowerPoint presentations into videos and is particularly popular for business training, educational content, and corporate communications.
Synthesia's professional interface, shown above, is designed for business users and emphasizes AI avatar creation and presentation conversion capabilities.
The dashboard provides access to various AI video creation tools, including the AI video assistant for converting files and presentations into videos.
| | |
|---|---|---|
| Text-to-Video | Excellent - generates complete videos from text prompts | Good - requires more manual setup |
| PowerPoint Import | ||
| AI Script Generation | Advanced - creates full scripts from topics | Basic - requires manual input |
| Video Length | Up to 90 seconds (free), longer on paid plans | 3-30 minutes depending on plan |
| Generation Speed | 2-5 minutes for 90-second video | 10+ minutes for longer videos |
| Video Quality | Up to 4K resolution | Up to 1080p |
InVideo excels at text-to-video generation, offering multiple AI-generated plans for each topic. Users can choose from different video styles, platforms, and audiences, with AI automatically creating scripts and visual plans.
The generation process is transparent, showing real-time progress from analysis to completion, typically taking 2-5 minutes for a 90-second video.
Synthesia specializes in converting PowerPoint presentations into professional videos. The import process is straightforward, allowing users to upload their presentation files directly.
The video editor automatically converts PowerPoint slides into individual scenes, with each slide becoming a separate video scene with AI-generated layouts.
| | |
|---|---|---|
| AI Avatars | Limited selection | 70+ professional avatars |
| Custom Avatars | Basic voice cloning | Advanced avatar builder |
| Avatar Realism | Good | Excellent - very human-like |
| Multiple Avatars per Video | ||
| Avatar Languages | 75+ languages | 130+ languages |
| Voice Cloning |
Synthesia offers an extensive library of professional AI avatars. Users can choose from 70+ realistic human-like presenters, each with different appearances, personalities, and language capabilities.
The AI avatars are integrated seamlessly into video scenes, with automatic layout generation that adapts to the content of each slide or scene.
| | |
|---|---|---|
| Ease of Use | Very easy - one-click generation | Moderate - requires more setup |
| Template Library | Extensive marketing templates | Business-focused templates |
| Scene Management | Automatic scene generation | Manual scene editing |
| Background Music | Large library included | Limited selection |
| Stock Media | 2.5M+ assets | Limited built-in assets |
| Branding Options | Good customization | Excellent with brand kits |
Once generation is complete, InVideo provides multiple viewing modes including Theatre mode, Magic box for editing, and Gallery mode to see all video slides at once.
The Gallery mode displays all scenes/slides in the video presentation, allowing users to navigate between different versions and variations.
Synthesia offers a variety of business-focused templates that can be applied to videos, making it easy to maintain professional branding across different projects.
The platform provides extensive theming options, allowing users to customize colors, backgrounds, and branding elements to match their corporate identity.
| | |
|---|---|---|
| Export Formats | MP4, various resolutions | MP4, SCORM (enterprise) |
| Watermark Removal | Paid plans only | Paid plans only |
| Download Options | Direct download | Direct download + sharing links |
| Sharing Platforms | Social media optimized | Business platforms |
| Collaboration | Limited | Excellent team features |
InVideo provides flexible download options with different resolution settings (480p, 720p, 1080p) and watermark options. Free accounts can only download with watermarks, while paid plans offer watermark removal.
Synthesia's generation process includes options for adding titles, descriptions, removing watermarks, enabling burned-in captions, and reviewing chapters created from presentation slides.
Users can preview their videos before final generation, ensuring quality and making any necessary adjustments to the content and presentation.
InVideo offers a generous free plan with 10 minutes of video creation per week, making it accessible for beginners and small businesses. Paid plans start at $28/month and provide additional features like watermark removal and higher resolution exports.
Synthesia has a higher entry point at $29/month but offers more professional features like AI avatars and PowerPoint import. The free plan is limited to 3 minutes per month, making it more suitable for testing rather than regular use.
For enterprise users, Synthesia provides advanced features like SCORM export, team collaboration, and custom avatar creation, though these come at a premium price.
| | |
|---|---|---|
| Text-to-Video Generation | Excellent - generates complete videos from text prompts | Good - requires more manual setup |
| AI Avatars | Limited selection | 70+ professional avatars |
| PowerPoint Import | Not available | Excellent automatic conversion |
| Free Plan | 10 minutes/week - generous for beginners | 3 minutes/month - limited for regular use |
| Ease of Use | Very easy - one-click generation | Moderate - requires more setup |
| Business Features | Limited business presentation features | Excellent for corporate and training videos |
InVideo AI is the better choice for marketing professionals, content creators, and social media managers who need to quickly generate engaging video content from text prompts. Its user-friendly interface and extensive media library make it ideal for creating promotional videos and social media content.
Synthesia excels for business users, educators, and corporate teams who need to convert presentations into professional videos with AI presenters. Its PowerPoint import feature and realistic avatars make it perfect for training videos and business communications.
Both platforms are excellent AI video generators, but they serve different purposes. Consider your specific use case, budget, and content requirements when making your decision.
Ready to try these AI video makers? Both platforms offer free trials:
Whether you choose InVideo for quick marketing videos or Synthesia for professional presentations, both tools represent the cutting edge of AI video generation technology in 2025.
*This comparison is based on current features and pricing as of 2025. Both platforms regularly update their offerings, so check their official websites for the most current information.*
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