Two site languages, and every other declared set contains them
D-ID declares two same-host alternates, German and English. It is the shortest declared set in this register, and both of its codes appear in several longer sets, so the entry adds no language to the field that nobody else has declared. As of 2026-09-22.
| Vendor | Declared same-host alternates | Codes not in the D-ID set |
|---|---|---|
| D-ID | Two: German, English | None |
| Higgsfield | Five bare codes | Spanish, Japanese, Korean |
| Vidu | Nine bare codes | Seven more, including Chinese |
| CapCut | 27 locales | 25 more, six declared by nobody else |
Inclusion rule. The vendor being read, plus the three declared sets that contain its own two codes. Vendors whose sets do not contain both codes are left out. Order. Shortest declared set first.
1A set with no edges of its own
German and English are the two most widely declared codes in this register, so a set consisting of exactly those two is the least distinctive entry the column holds. Nothing in it tells a reader about a market that another vendor has not also claimed.
It is still worth recording, because the shape of a declared set is the only evidence this column carries about intent. Two languages, both of them safe choices, reads as a company that translated the pages it had to and stopped.
2The chain of sets it starts
Read the column by size and these two codes are the first link in a chain. Both sit inside the five Higgsfield declares, those five sit inside the nine from Vidu, and those nine sit inside the thirteen from PixVerse, with nothing dropped along the way.
That nesting is unusual. Four vendors of very different sizes have chosen sets that agree completely on which languages come first, which suggests the order in which a market gets translated is more settled in this category than the totals suggest.
3The contrast with its own next column
The same vendor claims its avatars narrate or converse in more than 120 languages. Two declared site alternates against a claim of that size is the widest internal gap in this register between what a vendor has translated and what it says it can speak.
Neither figure is evidence for the other. The two site codes can be checked from the markup in a second; the 120 cannot be checked at all, because the vendor names none of them on any page a visitor can open.
4Sources
Counted from the markup of d-id.com, with the spoken claim read from its AI avatars page. The column itself is described on site language, and every cell D-ID fills is on its tool page.
5The same column, tool by tool
| Tool | Site languages |
|---|---|
| CapCut | 27 |
| D-ID | 2 |
| Fliki | None declared |
| Hailuo | None declared |
| HeyGen | None declared |
| Higgsfield | 5 |
| invideo AI | None declared |
| Kling AI | 20 |
| LTX Studio | None declared |
| Pika | None declared |
| PixVerse | 13 |
| Rask AI | One same-host, 15 on subdomains |
| Runway | 5 |
| SceneMixer | 15 |
| Synthesia | 9 |
| VEED | None declared |
| Vidnoz | One same-host, 11 on subdomains |
| Vidu | 9 |
Inclusion rule. Tools with a public English site selling AI video generation or AI video dubbing. Site languages count hreflang alternates served from the host being read; x-default and alternates pointing at another host are not counted, for every vendor alike. Order. Alphabetical by tool name.
Neighbouring cells: CapCut: site language and Fliki: site language. All of them together: the cell index and the register table.
- Site languages2 languages: de, endeclared as same-domain alternates
- Voice languages“Avatars can narrate or converse in more than 120 languages and accents, with natural pronunciation and expressive delivery”count published without a list