Artificial Intelligence

HeyGen vs Synthesia: Which AI Video Generator Wins in 2025?

05/31/2025
by Zoran Trimmel
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So you’re on the hunt for the best tool that helps create AI videos, avatars, MP3 files, and more? Two popular platforms, HeyGen and Synthesia, may satisfy your needs. But the question is, which one is better? To find an answer to this, we’ve helped you analyze their features, pros and cons, and pricing plans. Now, all you need to do is scroll down every part and decide whether HeyGen or Synthesia can be your partner. Let’s go!

HeyGen vs Synthesia: A Quick Overview

HeyGen

HeyGen Creation Platform

HeyGen Creation Platform

HeyGen is popular among creators who need to create professional-looking videos using realistic avatars and voiceovers. With HeyGen, you have a wide choice of avatars, and you can even create your own that mimics your appearance and voice

What makes HeyGen stand out is its user-friendly approach. You can easily drag and drop elements, automate script writing, and use smart transitions to go from idea to finished video in just minutes. Whether you need to make product demos, training videos, or fun social media clips, HeyGen is a helpful solution to consider.

Synthesia

Synthesia Creation Platform

Synthesia Creation Platform

Synthesia is another awesome platform for creating AI videos, known for its polished and professional quality. Similar to HeyGen, you can make eye-catching videos using realistic avatars and voiceovers without needing any special tools.

It’s also easy to use Synthesia. Customizable templates and straightforward video editing tools will help you save a bunch of time.

HeyGen vs Synthesia: 4 Key features

To choose between the two, you need to dive deeper into their key features. Before having a grasp of details, take a look at the summary below:

Feature HeyGen Synthesia
AI Avatars Stock, custom, photo-based, generative avatars; customizable looks 230+ realistic avatars, custom & selfie avatars
Voice Cloning Upload audio/video for cloning. Studio/self-recorded cloning
Video Creation Multi-scene editing, creative templates, URL/script-based generation Single-scene focus, 60+ templates, clean UI
Other Features Generative avatars, AI script assistant, avatar styling, dubbing studio AI dubbing (29+ languages), screen recorder, multilingual video player
Language Support 175+ languages with dubbing & voice cloning 140+ languages with voice cloning and auto-translations

AI Avatar

HeyGen’s AI Avatars

HeyGen’s AI Avatars

Let’s talk about avatars first! Both HeyGen and Synthesia have impressive options, but they might serve in different ways.

HeyGen focuses on creativity and flexibility. You can pick from a huge library of stock avatars (500+) or make your own! If you want to recreate yourself, you just need to upload a short video, and HeyGen will create a realistic digital version of you. You can even tweak the outfits and backgrounds to fit your brand.

Synthesia’s AI Avatars

Synthesia’s AI Avatars

On the other hand, Synthesia aims to polish professionalism. It offers over 230 realistic avatars that are perfect for business and educational use due to their natural expressions and top-notch lip-syncing. Like HeyGen, you can create custom avatars. Record yourself or make a quick Selfie Avatar using your phone. It’s perfect for quick updates!

Voice cloning capabilities

Heygen’s Voice Cloning Feature

Heygen’s Voice Cloning Feature

HeyGen is an easy and flexible option for voice cloning. More specifically, you can create a unique AI voice just by uploading a short audio or video clip.

The platform analyzes the sample to mimic the original speaker’s tone, pitch, and speech style. This means you can generate lifelike voiceovers in over 175 languages and dialects. Plus, HeyGen has a “Generate Voice” feature where you can create brand-new voices just by describing what you want.

Heygen vs Synthesia’s Voice Cloning

Heygen vs Synthesia’s Voice Cloning

How about Synthesia? This platform is all about professional voice cloning, especially when paired with its video creation tools. You can clone your voice by either recording a script provided by Synthesia or by uploading an audio file. Once your voice is cloned, you can pair it with AI avatars to create videos that closely match your speech and style.

Synthesia is considered a solution for creating high-quality videos for corporate training, internal communications, and customer engagement.

Video creation

When it comes to generating videos, both HeyGen and Synthesia provide fantastic AI tools. More specific?

The AI Video Creation Feature of HeyGen

The AI Video Creation Feature of HeyGen

HeyGen can transform your inputs (entered text, uploaded script, or even a URL) into a video featuring AI avatars and voiceovers. With an easy drag-and-drop interface, you can switch avatars, apply your branding, adjust backgrounds, and choose from over 80 languages for voice narration. Plus, its multi-scene editing can help you tell complex stories or create training videos that suit your purposes.

The AI Video Editor Feature of Synthesia

The AI Video Editor Feature of Synthesia

Synthesia, meanwhile, is particularly good for making clean, single-scene videos. It provides a library of over 60 ready-made templates and a wide choice of AI avatars. It also allows for media uploads and includes real-time collaboration tools, letting multiple people work together on the same project easily. So, while HeyGen is perfect for those who want flexibility and creativity, Synthesia is more about producing coherent and polished videos.

Special Features

Well, these two exciting platforms go beyond avatar and video creation.

HeyGen has some cool tools like Translation Proofread Studio. This tool helps you translate your videos into multiple languages while keeping things accurate and culturally relevant. Plus, with Avatar Looks, you can customize the avatars to fit your style! You can change their outfits, accessories, and even their surroundings to match your brand or theme.

On the other hand, another standout feature of Synthesia is AI Video Dubbing. This lets you translate videos into over 29 languages while keeping the speaker’s voice and lip movements in sync. Synthesia also includes an AI Screen Recorder that helps you create how-to videos with synchronized voiceovers and actions on-screen. Besides these, you can explore its Multilingual Video Player, which can automatically play videos in the viewer’s language.

HeyGen vs Synthesia: Pros & Cons

PROS CONS
HeyGen ✅ Multiple avatar creation options: photo, video, generative

✅ High level of customization (looks, outfits, backgrounds)

✅ Supports 175+ languages & dialects

✅ Multi-scene video editing

✅ Realistic voice cloning with easy upload

✅ Interactive avatars for real-time responses

❌ Some features might be overwhelming to new users

❌ Avatars are slightly less realistic than Synthesia

❌ Some advanced features are available only in higher pricing tiers

Synthesia ✅ 230+ highly realistic stock avatars

✅ Supports 140+ languages with strong lip-sync

✅ Easy-to-use interface

✅ Fast, one-scene video creation for training and business

✅ Built-in screen recorder and closed captioning

✅ Real-time collaboration and feedback tools

❌ Limited avatar customization (no outfit/background control)

❌ Single-scene editing only

❌ Somewhat less flexible for creative or storytelling content

Synthesia vs HeyGen: Pricing Comparison

HeyGen Pricing Plans

  • Free Plan ($0/month): 3 videos/month, 720p, 1 custom avatar, 500+ stock avatars.
  • Creator Plan ($29/month): Unlimited videos (up to 30 mins), 1080p, 700+ avatars, voice cloning, branding tools.
  • Team Plan ($39/seat/month): Adds 2 custom avatars, collaboration tools, unlimited photo avatars, script editing.
  • Enterprise Plan (Custom): Includes SSO, asset management, priority support, and full branding control.
Pricing Plans of HeyGen

Pricing Plans of HeyGen

Synthesia Pricing Plans

  • Free Plan: Not available
  • Starter Plan ($29/month): 10 minutes of video/month, 125+ avatars, video downloads, watermark-free, 1 editor + 3 guests.
  • Creator Plan ($89/month): 30 minutes/month, 180+ avatars, 5 personal avatars, video dubbing, API access, branded pages, multiple avatars per scene.
  • Enterprise Plan (Custom pricing): Unlimited minutes, 230+ avatars, unlimited personal avatars, SSO, team tools, and more.
Pricing Plans of Synthesia

Pricing Plans of Synthesia

In short, HeyGen offers more value at lower tiers with unlimited video creation and strong avatar customization options. It’s ideal for creators and teams who want flexibility. Synthesia, meanwhile, is more expensive but targets professional, high-quality corporate video production.

Which Factors Should Be Considered When Choosing an AI Video Generation Tool?

You’re on your journey of finding the best generators, and these tips might help:

  • What You Need It For: Before searching, think about what kind of videos you want to make. Are they for marketing, teaching, sharing within your company, or posting on social media? For instance, HeyGen is awesome for marketing and storytelling while Synthesia is perfect for corporate training and professional presentations. So you know which to go for.
  • Customization and Branding: It’s better to go with tools that let you personalize avatars, backgrounds, voices, and visuals to fit your brand or style. Both HeyGen and  Synthesia have given you some customization. But the latter platform is more limited in wardrobe or backdrop changes.
  • User-Friendliness We never want to invest a lot of time learning how to use the features. So, why not look for those that help you create videos quickly and easily? Synthesia is very user-friendly with a clean design, while HeyGen has many powerful features, and it can feel a bit complex.
  • Cost and Growth: Make sure the pricing matches your budget and how many videos you plan to produce. But before that, we recommend visiting the tools’ homepage to explore and experiment with the free options first.

Wrap it up

To conclude, the choice between HeyGen and Synthesia isn’t about which is “better” but rather which “fits your needs”. If you’re looking for custom avatars, storytelling options, or creative marketing, go for HeyGen. On the other hand, choose Synthesia if you need professional, sleek corporate videos in various languages.

That’s it for the combat between HeyGen vs. Synthesia. For more AI tool comparisons and tutorials, stay updated with TechDictionary. Our information hub will help!

FAQs


1. Is HeyGen or Synthesia better?

It depends. Yes, HeyGen is better for customization and creative multi-scene videos. Synthesia is better for realistic, professional corporate content.

2. Is there anything better than HeyGen?

No, not universally. Some platforms like Colossyan or Pictory may suit specific needs better, but HeyGen is excellent for avatar customization.

3. Is HeyGen worth it?

Yes. Especially if you want flexible avatar creation and multi-scene editing.

4. Is HeyGen safe to use?

Yes. HeyGen is reputable with standard privacy protections, but always review their policies.

Rating
5/5
Zoran Trimmel
Zoran Trimmel
Zoran Trimmel is an AI specialist who simplifies complex technical concepts. He evaluates emerging AI platforms for our technology website and produces insightful articles on AI and tech tools, thanks to his attention to detail and effective communication skills.
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