Luma spec lines: 16-bit HDR, EXR, 4k API

Luma's own pages give a figure on 4 of the six spec lines. Highest resolution: 4K, generated. Longest output: in the 15 s or less group. No figure on frame rate and marks. From 3 source pages, read 2026-09-25; no maker pays to be listed.

Inclusion rule. All twenty-nine tools on the sheet, each with the highest resolution its pages print. Order. Alphabetical by tool name.

Resolution

4K, generated

Frame rate

No figure

HDR

HDR output

Frame shape

None listed by name

Length

15 s or less

Marks

No figure

1What the pages say

Luma pairs a resolution ladder with the most detailed colour claim among the clip makers: native 16-bit HDR, exported as 16-bit EXR frames, with HiFi mastering drafts into 4K HDR. The API resolution values run from 540p to 4k; generations on Ray3.2 are 5 or 10 seconds.

Maximum resolution: 4K, generated

Resolution can be 540p, 720p, 1080, 4k

Luma API docs, video generation

• Ray 2 API
  API resolution 540p, 720p, 1080 or 4kresolution parameterLuma API docs, video generation / recorded 2026-09-25
• Ray3.14 update and HiFi
  Ray3.14 generates native 1080p; HiFi masters drafts into 4K HDRLuma AI, Ray3 page / recorded 2026-09-25

This spec line in detail · Maximum resolution across twenty-nine tools

Frame rate: No figure

• Ray3 page
  No figure on the vendor's spec pages (checked 2026-09-25)API docs and pricing read; no frame rate statedLuma AI, Ray3 page / recorded 2026-09-25

Frame rate across twenty-nine tools

HDR and bit depth: HDR output

exported as 16-bit EXR for seamless integration into pro workflows.

Luma AI, Ray3 page

• Ray3
  Native 16-bit HDR generation, exported as 16-bit EXR framesHDR and EXR exportLuma AI, Ray3 page / recorded 2026-09-25
• Ray3
  SDR images and SDR video can be converted to HDRHDR generationLuma AI, Ray3 page / recorded 2026-09-25

This spec line in detail · HDR and bit depth across twenty-nine tools

Aspect ratios: None listed by name

"aspect_ratio": "16:9"

Luma API docs, video generation

• API examples
  An aspect_ratio parameter, shown with 16:9 in the examples; the allowed values are not listedwith loop, aspect ratioLuma API docs, video generation / recorded 2026-09-25

Aspect ratios across twenty-nine tools

Longest single output: 15 s or less

• Ray3.2 rows
  Ray3.2 text and image to video in 5-second or 10-second generationsdurations onlyLuma AI, pricing / recorded 2026-09-25

Longest single output across twenty-nine tools

Watermark on output: No figure

• Ray3 page
  No figure on the vendor's spec pages (checked 2026-09-25)API docs and pricing read; no watermark statementLuma AI, pricing / recorded 2026-09-25

Watermark on output across twenty-nine tools

2Related sheets

• Google Veo and Luma
• LTX Studio and Luma
• Luma and Pika
• Luma and Runway
• Kling AI
• LTX Studio
• M Studio
• MagicLight

How each reading is chosen: measurement.

3Sources checked

• Luma API docs, video generation, checked 2026-09-25
• Luma AI, Ray3 page, checked 2026-09-25
• Luma AI, pricing, checked 2026-09-25