Model grammar profile · Ray 3.2
Luma Ray 3.2
Specific subject, motion, camera, lighting, and pacing
Use one specific natural-language scene: focal subject, its movement, camera movement, lighting, pacing, then context and mood. Keep request parameters external.
Recommended sentence order
01subject→
02action→
03cinematography→
04lighting→
05context→
06style
Negative prompt policy
Use exclusions the way this surface expects.
The current API has no negative_prompt field. Prefer a positive description such as ‘an empty beach at dawn’ over a separate negative block.
Typed parameters
Duration5 · 10
Aspect ratio16:9 · 9:16 · 1:1 · 4:3 · 3:4 · 21:9
Resolution720p · 1080p
LoopOn / off
HDROn / off
Reliability constraints
- HDR cannot be combined with 10 seconds or loop mode.
- A prompt is limited to 1–6,000 characters; English has the strongest official support.
- Results are stochastic; reproducibility is not guaranteed by prompt text alone.
Source material
Luma video generation Luma FAQ