OpenAI discontinued Sora — web and app on April 26, 2026, the API on September 24, 2026. The verified record, the export checklist, and where each workflow goes next, from alternatives we ran ourselves on the same prompts.
Kling’s Standard plan page lists “Brand watermark removal” as a benefit — but the only download path delivered files carrying the “KlingAI 4.0” watermark. Frame-verified on the downloaded files, twice.