# Model modes | Mode | Input | Use when | | ------------------ | --------------------------------- | ------------------------------------------------------- | | Text-to-video | Prompt | You want a new scene from written direction. | | Image-to-video | Prompt plus image | You need a reference actor, product, or starting frame. | | First-last-frame | Prompt plus two images | You want start and end frame control. | | Reference-to-video | Prompt plus multiple references | You need stronger consistency. | | Extend-video | Source clip plus prompt | You want a clip to continue. | | Motion-control | Character image plus motion video | You want subject motion to follow a reference. | | Text-to-image | Prompt | You want a new still asset. | | Image-to-image | Prompt plus image references | You want to transform or adapt references. | Not every model supports every mode. If a mode is unavailable, choose a different model or simplify the input. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.avastudio.com/models-and-credits/model-modes.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.