luma/ray
Fast, high quality text-to-video and image-to-video (Also known as Dream Machine)
Capabilities
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
prompt * | string | Text prompt for video generation | — | — |
aspect_ratio | string | Aspect ratio of the video. Ignored if a start frame, end frame or video ID is given. | "16:9" | 1:1 3:4 4:3 9:16 16:9 9:21 21:9 |
end_image | string (uri) | An optional last frame of the video to use as the ending frame. | — | — |
end_image_url | string | Deprecated: Use end_image instead | — | — |
end_video_id | string | Prepend a new video generation to the beginning of an existing one (Also called 'reverse extend'). You can combine this with start_image, or start_video_id. | — | — |
loop | boolean | Whether the video should loop, with the last frame matching the first frame for smooth, continuous playback. This input is ignored if end_image or end_video_id are set. | false | — |
start_image | string (uri) | An optional first frame of the video to use as the starting frame. | — | — |
start_image_url | string | Deprecated: Use start_image instead | — | — |
start_video_id | string | Continue or extend a video generation with a new generation. You can combine this with end_image, or end_video_id. | — | — |
prompt required string Text prompt for video generation
aspect_ratio string Aspect ratio of the video. Ignored if a start frame, end frame or video ID is given.
"16:9" end_image string An optional last frame of the video to use as the ending frame.
end_image_url string Deprecated: Use end_image instead
end_video_id string Prepend a new video generation to the beginning of an existing one (Also called 'reverse extend'). You can combine this with start_image, or start_video_id.
loop boolean Whether the video should loop, with the last frame matching the first frame for smooth, continuous playback. This input is ignored if end_image or end_video_id are set.
false start_image string An optional first frame of the video to use as the starting frame.
start_image_url string Deprecated: Use start_image instead
start_video_id string Continue or extend a video generation with a new generation. You can combine this with end_image, or end_video_id.
ace5984f3394 Updated: 2/26/2026 70.4K runs
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