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luma/ray-3.2
Luma's reasoning video model. Generates cinematic 5s or 10s video from text or images, with native HDR and EXR export for professional production pipelines.
Capabilities
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
prompt * | string | Text prompt describing the video. Be specific about subject, motion, camera movement, lighting, and pacing. | — | — |
aspect_ratio | string | Aspect ratio of the generated video. Ignored when start_image or end_image is set — the model derives the ratio from the anchor frame(s). | "16:9" | 9:16 3:4 1:1 4:3 16:9 21:9 |
duration | integer | Video duration in seconds. 10s is not supported with hdr, start_image, end_image, or loop. | 5 | 5 10 |
end_image | string (uri) | Optional last frame of the video. Only valid with 5s duration; not supported with loop. | — | — |
exr_export | boolean | Export an EXR file alongside the MP4 for professional colour-grading workflows. Requires hdr=true. | false | — |
hdr | boolean | Generate HDR-encoded MP4. Requires 720p or 1080p, 5s duration, and no loop. | false | — |
loop | boolean | Generate a seamlessly looping video. Not supported with 10s duration, hdr, or end_image. | false | — |
resolution | string | Output resolution. 540p is not available when hdr is true. | "720p" | 540p 720p 1080p |
start_image | string (uri) | Optional first frame of the video. Only valid with 5s duration. | — | — |
prompt required string Text prompt describing the video. Be specific about subject, motion, camera movement, lighting, and pacing.
aspect_ratio string Aspect ratio of the generated video. Ignored when start_image or end_image is set — the model derives the ratio from the anchor frame(s).
"16:9" duration integer Video duration in seconds. 10s is not supported with hdr, start_image, end_image, or loop.
5 end_image string Optional last frame of the video. Only valid with 5s duration; not supported with loop.
exr_export boolean Export an EXR file alongside the MP4 for professional colour-grading workflows. Requires hdr=true.
false hdr boolean Generate HDR-encoded MP4. Requires 720p or 1080p, 5s duration, and no loop.
false loop boolean Generate a seamlessly looping video. Not supported with 10s duration, hdr, or end_image.
false resolution string Output resolution. 540p is not available when hdr is true.
"720p" start_image string Optional first frame of the video. Only valid with 5s duration.
6e0a55010a0a Updated: 6/26/2026 1.6K runs