Luma Ray 3
film-productionhdr-contentadvertisingLuma AI · Reasoning Diffusion Transformer · v3.0verifiedVerified
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starting from, on Luma API
Resolution
4K
Duration
5–10s
Providers
2
API Pricing
Why Luma Ray 3?
thumb_upStrengths
- World's first reasoning video model -- understands intent and plans complex multi-step motion
- Native 16-bit HDR video generation in ACES EXR format -- unique among all video models
- 4K output capability with Hi-Fi Diffusion mastering from Draft Mode iterations
- Draft Mode enables 5x faster, 5x cheaper exploration before committing to high-fidelity renders
- Ray3 Modify mode for hybrid AI-acting workflows in film and performance
infoLimitations
- No native audio -- requires post-production sound design
- Limited third-party API availability -- not on FAL.ai, WaveSpeed is absent
- Higher cost via Artificial Analysis benchmark at $13.20/min compared to budget alternatives
- 24fps only, no higher frame rate options
- Closed source with no self-deployment option
auto_fix_highPrompt Guide
- 1Use short, natural language prompts that are highly specific -- Ray 3 works best with simple, direct descriptions rather than overly technical or keyword-stuffed prompts.
- 2Include secondary consequences to enhance realism: wind in hair, fabric movement, reflections, dust kicked up, water ripples. These details make the scene feel physically grounded.
- 3Avoid words that degrade output quality: 'vibrant', 'whimsical', 'hyper-realistic' may produce worse results. Test your word choices carefully.
- 4Ray 3 is a positive-only model -- do not use negative prompting. Describe what you want to see, not what you want to avoid.
- 5Use Draft Mode for rapid 5x cheaper iteration, then switch to Hi-Fi Diffusion to 'master' your best shots into production-ready 4K HDR footage.
- 6When using character references, let the reference image handle identity and focus your text prompt on scene and action -- do not re-describe the character's appearance.
✓ Do this
- Draw on images with visual annotations to specify layout, motion direction, and character interactions -- Ray 3 interprets annotations like a creative partner
- For keyframe control, ensure first and last frame images are visually compatible with the described action or transition
- Use the extend feature to build sequences beyond 10 seconds, chaining shots up to ~30 seconds total
- Leverage Loop mode for seamless repeating animations ideal for backgrounds, VJ loops, and social media content
- For HDR output, export as 16-bit EXR for seamless integration into professional color grading workflows
✗ Avoid this
- No native audio generation -- audio must be added in post-production
- Not available on FAL.ai -- only Ray 2 variants are listed there
- Draft Mode is lower quality (suitable for iteration, not final output)
- Single-shot max of 10 seconds (extendable to ~30 seconds via chaining)
- HDR output requires professional tools capable of reading ACES EXR format
Example Prompts
“A woman in a red coat walks through falling snow in a quiet European alley. She pauses, looks up, and catches a snowflake on her palm. Soft golden light from a nearby window. Camera slowly pushes in.”
“Underwater shot of a sea turtle gliding through crystal-clear tropical water. Sunbeams pierce the surface above, casting shifting patterns on the sandy ocean floor. Camera follows at a gentle pace.”
“Time-lapse of a flower blooming from bud to full bloom in soft studio lighting. Petals unfurl slowly, revealing inner structures. Static macro shot, white background, shallow depth of field.”
Based on the official prompt guide →
FAQexpand_more
Where can I use Luma Ray 3?
Via API on Luma API and Replicate.
How do I get good results with Luma Ray 3?
Use short, natural language prompts that are highly specific -- Ray 3 works best with simple, direct descriptions rather than overly technical or keyword-stuffed prompts. See the prompt guide below.