And where could i find detail api document, I cant find Characters function in this document Video generation with Sora - OpenAI API
There is no such feature on the API.
Sora 2 as an app, with its “cameos” features (that had to be renamed), is about acting like a social media platform, and providing your own likeness and voice for others to deface within AI videos for their amusement, and also to ingest your identity into an identity verification system and then use it in AI model calls that can include training, and scrape your ChatGPT chat history for recommendations. Producing videos with bouncing watermarks.
Sora 2 on the API will reject any people seen in input reference images, people or faces or any character IP generated in output videos (which you pay for but don’t get delivered). You can get videos without watermarks that are actually suitable for something.
Sora (original, now a “turbo” version) can deliver videos with less watermark annoyance for “Pro” ChatGPT subscribers, different safety criteria, and was never offered on the API.