Luma Ray-2 720p

Video generationAvailable
by Luma AIModel ID: luma-ray-2-720p

Luma Labs' Ray-2 at 720p on Replicate. Text and image-to-video producing 5s and 9s clips with fast, coherent motion and strong camera control. Successor to Dream Machine.

Price
$0.216/s
Aspect ratios
16:9, 9:16, 1:1, 4:3, 3:4, 21:9
Duration
5 or 9 s
Input โ†’ output
Text + Image โ†’ Video
Developer
Luma AI
Updated
September 23, 2026
01

Playground

Try Luma Ray-2 720p

Input & output

$0.216/s
Try Luma Ray-2 720p

0 / 2,000

What video to generate

Optional reference image for image-to-video

Last frame of the video; needs a first frame (image_url or start_image) through the API

Advanced settings (1)

Optional seed for reproducibility

Output
Your video appears here.

This run

$1.08 ยท 108 credits

Billed: 5 s

For accounts without a purchase: runs above 2 credits need a top-up.

New here?

10 free credits ($0.10) when you sign up with Google

Usable 24 hours after sign-up, up to 5 runs per day and at most 2 credits per run. Other sign-in methods start without credits.

02

Examples

Real outputs from the public examples of this model on Replicate, with the prompt and settings that produced them. They were not generated live on this page.
  • Prompt

    A pirate ship in a raging sea

    Length: 0:05

    Settings

    aspect_ratio
    16:9
    duration
    5
  • Prompt

    Aggressive camera circles Russian ballet performance in grand setting

    Length: 0:05

    Settings

    aspect_ratio
    16:9
    duration
    5
  • Prompt

    Chaotic camera ducks between breakdancers battling, spotlights pulsing overhead

    Length: 0:05

    Settings

    aspect_ratio
    16:9
    duration
    5
03

About Luma Ray-2 720p

TL;DRAs of September 23, 2026

Luma Ray-2 720p is a model by Luma AI in the Video generation category. On Railwail, Luma Ray-2 720p costs $0.216 per second of video. A default run of 5 seconds costs $1.08. Supported aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4, and 21:9. Possible lengths: 5 or 9 s.

04

Pricing

Prices in US dollars. Usage is charged from prepaid credits.
Per second$0.216 per second of video
Default run (5 s)$1.08 per run
  • 1 credit = $0.01

Cost calculator

Price calculator

Video length

Total

$108.00

10,800 credits

Per run

$1.08 ยท 108 credits

billed as 5 s

Fixed price per run, known before the run starts.

05

API

Call Luma Ray-2 720p with your Railwail API key. Use this model ID in the request:
curl https://railwail.com/api/v1/videos/generations \
  -H "Authorization: Bearer $RAILWAIL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "luma-ray-2-720p",
    "prompt": "A slow drone shot over a misty pine forest at sunrise"
  }'

# Response: {"job_id": "...", "status": "queued", ...}
# Poll until status is completed, failed or cancelled:
curl https://railwail.com/api/v1/jobs/JOB_ID \
  -H "Authorization: Bearer $RAILWAIL_API_KEY"
Set your key as RAILWAIL_API_KEYCreate API key

Videos run asynchronously: the first call returns a job_id; query /api/v1/jobs/JOB_ID until the status is completed.

06

Specifications

Model ID
luma-ray-2-720p
Developer
Luma AI
Input
Text, Image
Output
Video
Aspect ratios
16:9, 9:16, 1:1, 4:3, 3:4, 21:9
Duration
5 or 9 s
Billing
Fixed price, known before the run
Catalog entry updated
September 23, 2026

Input parameters

Inputs and settings from the model's input schema. The example in the API section shows which of them the API accepts.

  • promptrequired

    What video to generate

    Type: Text
    Default: โ€“
    Allowed values: up to 2,000 characters
  • seed

    Optional seed for reproducibility

    Type: Integer
    Default: โ€“
    Allowed values: โ€“
  • end_image

    Last frame of the video; needs a first frame (image_url or start_image) through the API

    Type: Text
    Default: โ€“
    Allowed values: โ€“
  • start_image

    Optional reference image for image-to-video

    Type: Text
    Default: โ€“
    Allowed values: โ€“
  • aspect_ratio
    Type: Choice
    Default: 16:9
    Allowed values: 16:9, 9:16, 1:1, 4:3, 3:4, or 21:9
  • duration_sec
    Type: Choice
    Default: 5
    Allowed values: 5 or 9

Tags

  • replicate
  • luma
  • ray-2
  • text-to-video
  • image-to-video
  • flagship
07

Use cases

08

Frequently asked questions

What is Luma Ray-2 720p?

Luma Ray-2 720p is a model by Luma AI in the Video generation category. On Railwail you can call it with an API key through the Railwail API.

How much does Luma Ray-2 720p cost on Railwail?

On Railwail, Luma Ray-2 720p costs $0.216 per second of video. A default run of 5 seconds costs $1.08. The price is known before the run starts. Usage is paid from prepaid credits; 1 credit equals $0.01.

Which settings does Luma Ray-2 720p support?

According to its input schema, Luma Ray-2 720p knows these parameters: prompt (up to 2,000 characters), seed, end_image, start_image, aspect_ratio (16:9, 9:16, 1:1, 4:3, 3:4, or 21:9), and duration_sec (5 or 9).

How fast is Luma Ray-2 720p?

There are not enough measured runs of Luma Ray-2 720p on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.

Is Luma Ray-2 720p better than Google Veo 3.1?

That depends on the task. Luma Ray-2 720p (Luma AI) and Google Veo 3.1 (Google DeepMind) are both models in the Video generation category. The comparison page shows their prices and specifications side by side.

Compare Luma Ray-2 720p and Google Veo 3.1

Can Luma Ray-2 720p use an image as input?

Yes. Send the image in the end_image parameter.

How do I use Luma Ray-2 720p through the API?

Create a Railwail API key and send your request with the model ID luma-ray-2-720p. Code examples for curl, Python and JavaScript are in the API section of this page.

09

Comparable models

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Use Luma Ray-2 720p via the API

One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = $0.01.