Comparison
Opus Clip alternatives, by the job you actually have
Opus Clip, Vizard, Klap, and Submagic upload the video. Clip Nugget cuts a file that stays on your computer.
"Opus Clip alternative" is a pile of tools that do not do the same job. Some are cheaper cloud clippers. Some are caption studios. One of them is a desktop app that never takes the file.
If you want the cloud studio
Opus Clip is the category default: upload, team workspace, brand templates, an API. The comparison says where that wins, and where it does not. It does not copy their price, because the price changes.
If the job is a link and a calendar
Klap starts from a YouTube link and can schedule the posts. Vizard's site also describes recording in the browser. Submagic leads with caption styles and B-roll. Those three are written up on the comparison hub.
If the file should stay here
Clip Nugget imports a recording you already have, suggests moments, reframes to 9:16, and burns in captions on your computer. Pro is a one-time license. Free does not expire. That is the alternative when the reason you are leaving a cloud clipper is the upload, not the logo.