EN If you are looking for a Runway alternative and what you actually want is one clip rather than an editing project, this is a Telegram bot that generates video inside a normal chat. There is no app to install, no workspace to learn and no timeline to arrange, just a description or a photo and a finished clip back in the same conversation.
The difference is the surface, not the models
A creative suite gives you a workspace: panels, a timeline, a project that persists. That is the right shape when you are assembling something. It is a lot of scaffolding when all you need is a five second clip to drop into a chat or a post.
Here the chat is the interface. You send what you want, pick a model, a resolution and a length, and the result arrives as a file. Open the bot and there is nothing between you and the first clip.
What that costs you
Real editing. There is no cutting, no layering, no arranging shots into a sequence, and no project to come back to. If your work is post-production, keep the editor. This is for the step before it, or for the times when the clip is the whole deliverable.
Reference video
Two of the models take an existing clip as a reference and work from it, which covers the restyling case without an editor. Be aware of how it is billed: the reference clip’s own seconds are added to the output’s, so ten in and ten out is charged as twenty. The pricing page spells that out.