Five codes, one of them naming a market rather than a language
Runway declares five same-host alternates: English, French, Japanese, Korean and Brazilian Portuguese. It is the only declared set in this register that mixes bare codes with a region-tagged one, and the only short set with no German in it. As of 2026-09-22.
| Code | Form | Also in the other five-code set |
|---|---|---|
| en | Bare | Yes |
| fr | Bare | No |
| ja | Bare | Yes |
| ko | Bare | Yes |
| pt-BR | Region-tagged | No |
Inclusion rule. The declared set for one vendor, compared code by code against the only other declared set here of the same size. Order. Alphabetical by code.
1One tagged code in an otherwise bare set
Four of these codes name languages and the fifth names a market. Declaring pt-BR rather than pt is a decision to address Brazil and to say so, which is a sharper claim than anything else in this set makes.
Mixed-form sets are rare here: every other vendor is consistently bare or consistently tagged. A single tagged code usually means the page behind it was written for that market specifically rather than translated in a batch.
2The same size, a different five
The other five-code set in this register is German, English, Spanish, Japanese and Korean. These two sets agree on three codes and disagree on two, so a reader cannot treat a count of five as describing a single tier of markets.
The absence of German is what stands out. Eight of the nine declared sets here include it, including both two-code and nine-code sets, which makes this the only short set that skipped the field's most commonly declared non-English language.
3Nothing in the other two columns
This vendor publishes no spoken-language list and no statement about the language of generated documents. The five codes are the whole of its published language position, and the tagged one is the only market it has named anywhere.
That is a common shape in this register rather than an unusual one. Five of the nine vendors that declare a site list publish nothing at all in either output column, which is why a site count cannot stand in for a product claim.
4Sources
Counted from the alternates declared on runway.com. The column itself is described on site language, and every cell Runway 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: Rask AI: site language and SceneMixer: site language. All of them together: the cell index and the register table.
- Site languages5 languages: en, fr, ja, ko, pt-BRdeclared as same-domain alternates
- Site languages5 languages: de, en, es, ja, kodeclared as same-domain alternates