The only language we currently support is English. We understand that many of our users are looking forward to this feature. We plan to implement other languages in the future!

Although other languages are not supported, some users have reported that they are generating videos in other languages by setting the subtitle styles to "none", and adding their own subtitles in post-production.
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Please be aware that this is NOT an official approach to generating videos in other languages, and may lead to undesirable outputs.