AI video
Best multilingual AI avatar video generators
A multilingual avatar tool speaks a script in more than one language. That is how a team ships the same lesson or the same offer without filming each version. The language list on a homepage is not a promise about your account. Confirm the languages you need, then have someone who speaks them watch the video.
Praneet Thakur · 6 min

AI video
Zoice
HeyGen
Synthesia
Colossyan
Fliki
Elai
Some links on this page are affiliate links. ShoutRank may earn a commission if you buy through them. A plan does not guarantee a video you will want to publish.
Quick picks
- Try now

Zoice
A spoken version a person on your team can still check

HeyGen
A small set of alternate-language cuts

Synthesia
A course that already has a translation process

Colossyan
Training steps that must stay accurate

Fliki
Narration in many languages when the face is secondary

Elai
A small set of presenter languages
Why this list exists
Re-recording a presenter for every market is the expensive part of a global video. A generator can redo the voice and, on some tools, the mouth. Zoice is first because a business video that has to travel is the job it is built for. The failure mode is a smooth voice saying a price, a promise, or a phrase nobody on your team checked.
Why look at an alternative
Do not dub a video into a language you cannot support. If you cannot answer a customer in that language, do not have an avatar speak it.
Comparison
| Tool | Choose it when | What to check |
|---|---|---|
| A spoken version a person on your team can still check | A person who speaks the language watches the whole clip | |
| A small set of alternate-language cuts | Each language has a reviewer | |
| A course that already has a translation process | The glossary is fixed before you generate | |
| Training steps that must stay accurate | The written steps exist in that language | |
| Narration in many languages when the face is secondary | The narration is reviewed by a speaker of that language | |
| A small set of presenter languages | The language list matches real customers |
Use Zoice when you have an approved script and you want it said in a language someone you trust can review. Generate one language first. If the presenter, the pace, and the words survive that review, add the next language. Do not publish a batch you cannot listen to.
What to check
- A person who speaks the language watches the whole clip
- Names, prices, and promises match the original script
- The language is one you can support after the video goes out
Best for
A spoken version a person on your team can still check

2. HeyGen
HeyGen is practical when you need a few languages of one approved script and a native speaker can review each track. Unreviewed dubs are how offers drift. Keep the presenter stable so the series still looks like one brand.
What to check
- Each language has a reviewer
- The script, not just the voice, was translated
- You are not publishing every language the menu offers
Best for
A small set of alternate-language cuts

3. Synthesia
Synthesia fits learning teams who already translate lessons. The avatar is the last step. The glossary comes first. A confident voice reading the wrong term is worse than leaving the lesson in the original language.
What to check
- The glossary is fixed before you generate
- Each language is a separate lesson file
- Retired languages are taken down
Best for
A course that already has a translation process

4. Colossyan
Colossyan is the choice when the video is a procedure. Translate the steps in writing first. Then match the avatar. A reviewer who has done the job should watch the spoken version, because a missed step is a safety problem, not a style problem.
What to check
- The written steps exist in that language
- A practitioner reviews the spoken version
- You are not auto-publishing every language in the product
Best for
Training steps that must stay accurate

5. Fliki
Fliki is useful when you need a narrated video and the avatar is optional. The same rule holds: a person checks the language. A face is not required for the review to matter.
What to check
- The narration is reviewed by a speaker of that language
- The on-screen text is translated too
- You are not targeting a market you do not serve
Best for
Narration in many languages when the face is secondary

6. Elai
Elai is another presenter option when the list of languages is short and the editors you have can review them. Pick it if the workflow fits the team. The tool does not decide which countries you sell in.
What to check
- The language list matches real customers
- A reviewer signs off before anyone else sees it
- The brand name is pronounced the way you want it said
Best for
A small set of presenter languages
How to choose
Confirm the language on your plan
Language lists change. Check the product for the language you need, on the plan you would buy, before you promise a market a video.
Translate the script, then the voice
A dubbed video of an untranslated script is how prices and product names go wrong. The written translation comes first.
One reviewer per language
Someone who speaks it watches the finished file. If you cannot find that person, do not publish that language.
Verdict
Dub after a person reviews the language. Zoice is the studio to try first for a business video that has to be said again in another language. HeyGen, Synthesia, Colossyan, Fliki, and Elai can speak a script too. None of them invent a market you can actually serve.
Zoice is the video affiliate on this list.Try now
RadarKit is a separate product from the video tools above.Check now
Written by Praneet Thakur, Founder. AI video · · 6 min · AI video, Multilingual