Trailers are edited, not generated
A trailer is thirty cuts with rhythm. Generate the shots you need, then assemble them against a music bed and a rising sound design.
Genre is a lighting decision
Thriller is low light and long lenses. Horror is handheld and close. The preset sets that so your words can describe the moment.
Draft cheap, finish selectively
Test the whole sequence at the lowest rate. Then regenerate only the two or three hero shots on a flagship model.
FAQ
Can it generate a full trailer?
No, and nothing honest can. It generates the shots you cut together.
How long is each shot?
Four to eight seconds, which is longer than most trailer cuts anyway.
Can I add music?
Use the music generator for a bed you own, and the sound effects tool for impacts.