In this video, we are going to explore Synthesia vs HeyGen in 2024. Synthesia has recently released expressive AI avatars that have significantly improved the human-likeness of AI, making it a perfect time to compare it against competitors. Let’s dive into the main differences and see which tool is better. Drop your comments and questions below.

Here is a highlight of the main feature differences between Synthesia and HeyGen:

Avatars Realism:
️- Synthesia’s expressive avatars follow the sentiment of the text. They actually understand what they are saying: they smile, they raise their eyebrows and even grin. These avatars can display a range of emotions such as sadness, empathy, skepticism, and inspiration, making the video look realistic. The avatars can even change emotions while reading a paragraph, as a real person would do.

 – HeyGen’s avatars show the same flat performance without emotional variation.

Spaces: Realistic backgrounds that make the video look like it was actually captured.
– Synthesia: Yes, collection of Spaces
– HeyGen: No [just stock videos]

1-Click Translations: A cool feature to go global—literally click a button and get your video in 120+ languages.
– Synthesia: Yes
– HeyGen: No

Lip Sync Quality: This is crucial because you want to ensure the video looks and sounds natural. Lip sync measures how natural and human-like the speech of an AI Avatar appears.
– Synthesia: 4.8/5
– HeyGen: 4/5

Multiple Avatars on Screen: A great feature for various uses, including training videos where you can build dialogs between two avatars to explain a concept. One avatar asks questions, and the other answers, helping to deliver the message more effectively.
– Synthesia: Yes
– HeyGen: No

So, which one to choose? For me, the choice was obvious. Synthesia has shipped so many new and high-quality features that it is by far better than anything else out there. Check them out! You can create a free video to see how it works or go ahead and start a free trial here:

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