Review: A Powerful AI Video Generator [2024] review

Key Takeaways:

From my research and experience, I think Synthesia is fantastic for businesses who want to create easy, branded video content for educational purposes. The avatars look reasonably realistic, and it’s very easy to create presentations and training videos.

Click here to watch the videos I made with Synthesia!

However, if you are a solopreneur with an online presence, or you’re looking to create more “fun” avatar videos, I’d go with HeyGen instead! Synthesia is best for business-type videos.

Video content creation is a complex process that takes time and money to produce good results. After all, you need to hire actors, get expensive cameras, rent a studio, and have time to edit the videos.

But what if there’s a way to speed up content creation while spending less?

With, businesses and hobbyists can quickly create AI videos without sacrificing quality. It’s the first company that used artificial intelligence to create videos while skipping the traditional recording process.

Synthesia offers various video creation features, including custom avatars, video templates, and supporting multiple languages.

Whether you want to create videos for social media, tutorials, or promotions for your platforms, you can use a combination of different templates and an avatar to get the best fit for them.

In this article, we’ll review, and its features, so you can decide if it’s the best AI video generator for you!

This post may contain affiliate links, which means I’ll receive a commission if you purchase through my links, at no extra cost to you. Please read full disclosure for more information.

What Is is an AI video creation tool that allows users to create professional videos by transforming text into speech in a few minutes. It’s the pioneer in AI avatar technology, which uses artificial intelligence to generate videos with digitally created human faces.

Instead of hiring actors, using cameras, and recording in a studio, Synthesia helps you to create explainer videos with ready-to-use AI avatars and voiceovers. You can access over 100 languages and edit and update your videos whenever you need.

Synthesia Home Page

It’s an excellent tool for marketers and bloggers who don’t want to spend the money or time to record high-quality videos.

Best AI Avatar Videos for Businesses

Synthesia is an easy-to-use AI Avatar program that is best for the needs of medium to large businesses. It's great for creating training and explainer videos that are way more engaging than just having employees read the information they need to know.

Their AI voices are quite good, and their "digital humans" are looking more realistic all the time. You can see some videos that I've made with Synthesia when you click to see my review!

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Who Created

In 2017, entrepreneurs and AI researchers from UCL, TUM, Stanford, and Cambridge created Synthesia. Their aim was to allow people to create video content without traditional tools like cameras and recording devices.

Generally, Synthesia seeks to transform the content creation process without sacrificing quality.

what is an AI avatar generator

Best Features of

Synthesia has a wide selection of tools for video creation. Here are the key features the software has to offer.

Use a Realistic AI Avatar

Instead of hiring an actor or showing yourself on camera, you can select from over 60 AI avatars to act as the presenter for your video. You can also create custom avatars for your brand as a paid add-on option for personalized videos.

image of various Synthesia avatar options

Multiple Language Support

There’s no need to hire people to voice over the videos you create. You can select voices from 120 languages and accents for your videos with full-closed captions.

description of voiceover options with Synthesia

Video Templates

With over 50 customizable templates, you can generate high-quality videos with different themes. Whether you want social media videos, explainer videos, presentations, or promotions, you’ll find a professional looking template that suits your needs.

templates for Synthesia

Free Media Library

After subscribing to one of the plans, you can get free media assets from Unsplash and Shutterstock and add them to your videos. 

Who Should Use Synthesia AI?

Synthesia io helps anyone who wants to create video content in a short amount of time. It’s a decent software for people who don’t have the video editing skills or the means or tools for recording and publishing high-quality videos.

Here are some people that Synthesia helps:

  • YouTube creators
  • Digital marketers
  • Recruiters
  • Influencers and bloggers
  • Teachers
  • Bloggers
  • Digital stores

Anyone who wants to create stunning videos can use Synthesia. You don’t need experience recording videos or using editing software to use the tool.

As long as you have an idea in mind, you can write it down and make videos.

My Experience Using Synthesia

Synthesia is best at making AI talking head videos, without needing any human actors.

Here’s a quick step-by-step tutorial to create a professional looking video using the Synthesia software.

1. Create a Script

Start by creating a script for your slides. There are a few ways to do this.

  • One way is to write the script yourself (or have an AI writing program like Jasper or ChatGPT write it for you) and copy and paste it into each slide of your video. Write only the critical information and keep it to 3-4 sentences per slide. Here are some of the template options you have when you are creating videos:
many of the avatar templates in Synthesia
  • Alternatively, you can use Synthesia’s AI program to write the script for you. As you can see below, I chose a template that I liked, then added the topic I wanted the video to be created about. I added an audience, tone of voice, and an objective.
how to prompt Synthesia's AI for a script

Then, I clicked “generate video” and Synthesia created the entire video for me! Here’s how it looked (all text was added automatically by the AI, but I did go in and add the brand logo to each slide of the video).

My rising action Synthesia video

2. Select an Avatar

Check the available avatar selections and choose the one you want as the presenter for your video (if you’d like to change it from the one in your template). Pick the one that fits the topic and the design of your presentation.

3. Add the Script to Each Slide

Copy and paste your script to the script box on each video slide. The app will convert the text to audio automatically.

Alternatively, if you’ve used the “create a video with AI” feature, you can go in and change any or all of the text on the slides, or the words that will be spoken in the video. Everything is able to be changed and customized to your preferences at every stage of the video creation process!

Here’s how it looks at the bottom of your screen, under the video visuals. I like how it gives you an idea of how long the voice narration will be with the words you have in the script for that slide.

synthesia text to speech

4. Customize Your Video

You can add different effects to your video to customize it. You can add images, text, backgrounds, and screen recordings to your screen to accompany the avatar. You can change or add music and transitions between scenes as well.

Synthesia change music and transitions

5. Generate the Video

After editing and checking the content, go ahead and generate the video. Once the app processes the content, you can view and use the final video however you want.

generate Synthesia video

The slides that were generated looked great, and I loved how easy and fast the video creation process was! All in all, this video took me less than an hour to create!0

It will take longer to create a video if you are writing the script from scratch, or if you are copying and pasting from another document.

Videos I Made Using Synthesia

Note: This video was created using the AI avatar generator, Synthesia.

Here’s another video I created using Synthesia. It’s explaining all about the role of falling action in a story. It’s always helpful to see some different examples of their avatar and voice options!

Synthesia Plans and Pricing

pricing for Synthesia IO

You can start using Synthesia by creating an account and subscribing to their Starter plan for $29 a month if you pay monthly (or just $22/month if you pay yearly!). You’ll get access to tools that can help you create professional videos.

Here are some of the features you’ll get when you subscribe to the plan:

  • Built-in avatars
  • 10-minute videos
  • 120+ languages
  • Text-to-video conversion
  • Templates
  • Custom background
  • Background music

The Personal plan is for users who want to try AI video technology. While there’s a limit to the number of videos you can produce in a month, it’s enough to create introduction and explainer videos to test things out.

You can use the available avatars anytime, but if you want a custom avatar for your brand, you must pay an extra fee. You can use these custom avatars to represent yourself on business videos for your company.

For teams, companies, and organizations that want more features to scale your video production, contact Synthesia and book a demo for the Enterprise plan. Its price package depends on the features your group needs.

The Enterprise plan includes everything from the basic plan while having more flexibility and features for creating better videos.

Synthesia Pros and Cons

Every service has its pros and cons. Before deciding whether to subscribe, here are the advantages and disadvantages of using Pros

  • It saves time and money.
  • You don’t need to be on camera!
  • Realistic, diverse AI avatars and AI voices.
  • It supports multiple languages.
  • You can create your own avatar.
  • Easy and quick text-to-video conversion. Cons

  • There’s a limit to the number of minutes you can generate per month.
  • Their AI voices are currently not as “human-sounding” as other companies.

Synthesia Alternatives

Although Synthesia is a great tool for people who want to create a professional video with little to no effort, it isn’t perfect. Some people find the number of avatars lacking, while others don’t like its pricing.

There’s no need to worry if you don’t love the Synthesia video creator. There are other apps that offer similar services to create high-quality marketing videos and training videos.

Here are a few alternatives that may pique your interest:

  • HeyGen: HeyGen is my favorite AI avatar program. It’s really easy to use and creates more “fun” videos than Synthesia. It’s great for solopreneurs and influencers.
  • Colossyan: Colossyan Creator is an innovative video generator that translates your input text into videos narrated by AI actors. It has over 70 languages available. It will let you add more than one avatar to a single video, which is really fun! You can read my Colossyan Review here!
  • DeepBrain AI: This is another AI digital human avatar video generator tool. I found that its human-looking “talking heads” look less realistic than Synthesia’s, though. You can read my Deepbrain Review here!
  • Hour One: Hour One is one of the easiest video generators on the market. All you have to do is input text, and it’ll give you an interactive and engaging video narrated by a virtual person.

You can explore these apps to find the right fit for your video marketing needs. Comparing similar apps before you decide is the best way to check which one suits you best.

Interested in learning more about alternatives to Synthesia? Check out this informative article for video generation options: 7+ Synthesia Alternatives for AI Videos [Free & Paid!]

Final Thoughts

Although nothing beats traditional content creation featuring real humans, not everyone can afford a studio, cameras, actors, and other things you need to record and publish a video.

Synthesia is a good alternative for those who want to create explainer videos and high quality marketing videos that feature a “talking head” – but don’t have the time or means to do so.

I think Synthesia is fantastic for medium to large businesses who want to create lots of training, explainer, or marketing videos. It can be useful for small businesses who are looking to create more “professional” looking avatar videos.

If you’re looking for a more fun program that lets you add cute stickers, unique text and even create a digital twin of yourself, check out HeyGen.

If you want to test Synthesia capabilities, you can create a free demo video in a few minutes from their website, and see if it is right for you!

Common Questions (FAQs)

Is good?

Synthesia is one of the best apps in its field. The software offers various tools to help you create high quality videos, including custom avatars, video templates, and voiceovers. It also saves over 80% of the time otherwise spent on editing and captioning videos. So for businesses and marketers who need it, yes, it’s definitely good.

Is free?

Unfortunately, Synthesia io isn’t free. You can start using the Synthesia STUDIO by subscribing to the Starter plan for $29 a month. There is, however, a free trial of Synthesia.

How many slides can Synthesia generate per video?

All plans have unlimited slides now! You will, however, have a minute limit that depends on the plan you’ve bought.

Looking for a great AI Video Generator? Check out these articles:

InVideo Review: An Easy-to-Use AI Video Generator

Pictory Review for Easy AI Video Creation

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