Top 5 AI Video Generators You Can Use Online

AI video generators have become essential tools in the content creation landscape. With the ability to generate videos in minutes, these platforms are revolutionizing how businesses, educators, and content creators produce engaging video content. Whether you're looking to create promotional materials, training videos, or personalized content, AI video generators offer a cost-effective and efficient solution. In this post, we’ll explore the top 5 AI video generators available today, highlighting their features, limitations, and ideal use cases.

Let’s dive in and discover the best tools for creating AI-powered videos in 2025!

1. Synthesia – Professional AI Avatars for Business

Synthesia is one of the most recognized names in the AI video generation industry. Known for its realistic avatars, it’s a favorite among businesses that need to create professional training videos, marketing materials, and corporate communications. With Synthesia, users can input scripts, select an avatar, and create high-quality videos in just minutes.

Key Features:

• Realistic Avatars: Synthesia offers over 230 avatars, with different ethnicities, genders, and professional appearances. These avatars are highly lifelike, making them ideal for corporate presentations and customer-facing videos .
  
• Language Support: Synthesia allows you to create videos in 120+ languages, making it perfect for global teams or businesses that need to create localized content .
  
• Pre-Designed Templates: Synthesia includes hundreds of templates for various use cases, such as product demos, e-learning modules, and training videos, so you can quickly create videos without starting from scratch .
  
  

Limitations:

• Pricing: While Synthesia is a fantastic tool, its pricing can be a bit steep for small businesses or creators. The free plan is limited to only a few minutes of video, and users must upgrade to the Paid Plan for more functionality .
  
• Customization Limits: The avatars, though highly realistic, have limited customization in terms of appearance and movement. If you need deeply customizable avatars, this may not be the best option .
  
  

Use Cases:

Synthesia excels in creating corporate training videos, e-learning modules, and personalized communications. For example, a company can create a series of onboarding videos where an AI avatar introduces new employees to the company’s culture and processes. It’s also widely used in marketing to create video ads or product demos that require a professional presenter.

2. Akool – Leading the AI Video Generation Space

Akool is the #1 AI video generator that combines an impressive suite of tools for real-time interactive avatars, text-to-video AI, and advanced face swap technology. Its real-time avatars allow users to generate live, interactive video content, making it a game-changer for businesses and content creators alike. Akool is suitable for a wide range of industries, including marketing, e-learning, and customer service.

Key Features:

• Real-Time AI Avatars: Akool allows you to create interactive, live avatar videos. These avatars can speak your script in real time during meetings, webinars, or virtual presentations .
  
• Text-to-Video AI: Simply input your script, and Akool generates a video with an avatar delivering your message. This is ideal for creating educational videos, tutorials, and marketing content .
  
• Face Swap Technology: Akool’s face swap feature allows you to replace faces in images or videos, making it perfect for personalized marketing campaigns or entertainment content .
  
• Multilingual Support: With the ability to generate videos in 155+ languages, Akool is perfect for global content. You can translate and localize videos while ensuring that the avatar’s lip-sync remains accurate.

Use Cases:

Akool is perfect for businesses that need to produce interactive videos at scale. It’s great for creating personalized training materials, webinars, and sales demos where the AI avatar can address audiences directly. Additionally, Akool’s multilingual support makes it an ideal choice for global brands looking to localize content across different regions.

3. Runway ML – Creative AI Video Generation and Editing

Runway ML is a creative powerhouse for content creators, designers, and filmmakers. Unlike other AI video generators that focus primarily on avatars, Runway allows users to create generative videos from text prompts, existing footage, or images. It provides creative control over video styles, making it ideal for artistic and experimental projects.

Key Features:

• Generative Video Creation: Runway allows users to generate videos from text or images using advanced AI models. For example, input a description like “sunset over a city skyline,” and the AI generates a video based on that scene .
  
• AI-Powered Editing: Runway offers a suite of AI editing tools, including background removal, motion tracking, and style transfer, giving you complete creative control over your content .
  
• Real-Time Collaboration: Runway is cloud-based and supports real-time collaboration, making it easy for teams to work together on creative video projects .
  
  

Limitations:

• Shorter Video Lengths: Runway is best for generating short videos (typically 3-8 seconds). For longer videos, you may need to stitch together multiple clips, which can be time-consuming .
  
• Credits-Based Pricing: Runway operates on a credits system, which can be costly if you're generating a large volume of content. The free plan provides limited credits, so creators will likely need to upgrade for serious usage .
  
  

Use Cases:

Runway is perfect for visual artists, filmmakers, and creative agencies. It’s ideal for generating unique footage for music videos, concept films, or abstract art projects. Social media creators can use Runway to produce eye-catching video snippets or experimental content that stands out. Its editing tools are also valuable for creators working with existing footage who need to add effects, remove objects, or change the video style.

4. Pictory – AI Video Maker for Quick Content Creation

Pictory is an AI video maker designed for content marketers, bloggers, and social media creators who need to convert written content into video quickly. With Pictory, you can turn scripts or blog posts into engaging videos by simply uploading the text. It’s an excellent choice for those who want to repurpose content without spending hours on video editing.

Key Features:

• Script-to-Video Conversion: Pictory can turn any text-based content (scripts, blog posts, or articles) into a polished video in just a few clicks. It also supports voiceover generation and subtitles .
  
• Automatic Summarization: Pictory has the ability to generate short video highlights from longer content like webinars or podcasts, making it a perfect tool for social media content creation .
  
• Text-Based Editing: You can edit your video directly through the transcript. If you want to remove a part of the video, simply delete the corresponding sentence in the text, and the video will automatically update .
  
  

Limitations:

• No Avatars: Unlike Synthesia and Akool, Pictory does not feature talking avatars for presentations . If you need a human-like avatar presenting content, you may need to look elsewhere.
  
• Limited Customization: While the tool offers a large stock footage library, it doesn’t allow for much deep customization of the video content. For highly branded or personalized videos, you may need to supplement Pictory with other tools .
  
  

Use Cases:

Pictory is great for content marketers and bloggers who want to repurpose existing text content into videos for social media, YouTube, or email marketing . It’s also ideal for quick explainer videos or product summaries. Marketers who need to generate a lot of videos quickly without complex editing will find Pictory a huge time-saver.

5. Colossyan – AI Presenter Videos for Training and Education

Colossyan specializes in AI-powered presenter videos for training, corporate communication, and e-learning. It’s an excellent tool for creating instructional content, offering features like instant video translation and customizable avatars.

Key Features:

• AI Presenter Videos: Choose from various avatars to create professional-looking training videos with an AI presenter speaking your script .
  
• Instant Translation: Colossyan offers instant video translation into over 120 languages, making it perfect for creating multilingual training or promotional content .
  
• Customizable Avatars: You can customize your avatars to reflect specific regional accents and appearances .
  
  

Limitations:

• Smaller Avatar Library: Compared to Synthesia or Akool, Colossyan has a smaller avatar library (around 70 avatars on the free plan). This can be limiting if you require a wide range of avatar options .
  
• Enterprise-Focused: Some of Colossyan’s more advanced features (like multi-avatar scenes and interactivity) are only available in higher-tier plans, which may not be ideal for small businesses .
  
  

Use Cases:

Colossyan is ideal for enterprise training, compliance videos, and multilingual content creation. It’s also great for educators who want to create instructional videos with personalized avatars and instant translation. If your business needs to create localized training videos or onboarding materials, Colossyan can streamline the process while maintaining a professional presentation.

Conclusion

AI video generators are shaping the future of content creation, and these top 5 AI video generators are leading the charge. Akool stands out for its all-in-one capabilities, including real-time avatars, face swapping, and multilingual support, making it the top choice for businesses and creators alike. Synthesia, Runway, Pictory, and Colossyan each offer their own strengths, whether it’s realistic avatars, creative freedom, or speed in video production.

Are you ready to take your content creation to the next level? Akool offers a generous free plan, so you can explore all its powerful features today—no credit card required. Sign up now and start creating professional AI-powered videos in minutes!