Photon Flash
luma-photon-flashAccelerated variant of Photon prioritizing speed while maintaining quality
- Price
- US$0.012/image
- Aspect ratios
- 1:1, 3:4, 4:3, 9:16, 16:9, 9:21, 21:9
- Input โ output
- Text โ Image
- Developer
- Luma AI
- Updated
- 24 September 2026
Playground
Try Photon Flash
Input & output
This run
US$0.012 ยท 1.2 credits
New here?
10 free credits (US$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. Enough for 8 runs of this model.
Examples
Open full sizePrompt
A train car is engulfed in a massive explosion, with flames and smoke billowing into the sky as debris flies in all directions, cinematic photograph, explosive action, high contrast, dynamic lighting.
Settings
- aspect_ratio
- 16:9
Open full sizePrompt
Hand reaching up for falling purple flower petals, subdue, realistic camera
Settings
- aspect_ratio
- 16:9
Open full sizePrompt
Beautiful dog in yellow background setting
Settings
- aspect_ratio
- 16:9
About Photon Flash
Photon Flash is a model by Luma AI in the Image generation category. On Railwail, Photon Flash costs US$0.012 per image. Supported aspect ratios: 1:1, 3:4, 4:3, 9:16, 16:9, 9:21 and 21:9.
Pricing
| Per image | US$0.012 per image |
|---|
- 1 credit = US$0.01
Cost calculator
Price calculator
Total
US$1.20
120 credits
Per run
US$0.012 ยท 1.2 credits
Fixed price per run, known before the run starts.
API
curl https://railwail.com/api/v1/images/generations \
-H "Authorization: Bearer $RAILWAIL_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "luma-photon-flash",
"prompt": "A lighthouse on a rocky coast at sunset, photorealistic"
}'import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["RAILWAIL_API_KEY"],
base_url="https://railwail.com/api/v1",
)
image = client.images.generate(
model="luma-photon-flash",
prompt="A lighthouse on a rocky coast at sunset, photorealistic",
)
print(image.data[0].url)import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.RAILWAIL_API_KEY,
baseURL: "https://railwail.com/api/v1",
});
const image = await client.images.generate({
model: "luma-photon-flash",
prompt: "A lighthouse on a rocky coast at sunset, photorealistic"
});
console.log(image.data[0].url);// npm install railwail
import railwail from "railwail";
const rw = railwail(process.env.RAILWAIL_API_KEY);
const res = await rw.image("luma-photon-flash", "A lighthouse on a rocky coast at sunset, photorealistic");
console.log(res.data[0].url);Specifications
- Model ID
luma-photon-flash- Developer
- Luma AI
- Category
- Image generation
- Input
- Text
- Output
- Image
- Aspect ratios
- 1:1, 3:4, 4:3, 9:16, 16:9, 9:21, 21:9
- Billing
- Fixed price, known before the run
- Catalog entry updated
- 24 September 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.
promptrequiredType: TextDefault: โAllowed values: โaspectRatioType: ChoiceDefault: โAllowed values: 1:1, 3:4, 4:3, 9:16, 16:9, 9:21 or 21:9
Tags
- replicate
- luma
- text-to-image
Use cases
Frequently asked questions
What is Photon Flash?
Photon Flash is a model by Luma AI in the Image generation category. On Railwail you can call it with an API key through the Railwail API.
How much does Photon Flash cost on Railwail?
On Railwail, Photon Flash costs US$0.012 per image. The price is known before the run starts. Usage is paid from prepaid credits; 1 credit equals US$0.01.
Which settings does Photon Flash support?
According to its input schema, Photon Flash knows these parameters: prompt and aspectRatio (1:1, 3:4, 4:3, 9:16, 16:9, 9:21 or 21:9).
How fast is Photon Flash?
There are not enough measured runs of Photon Flash on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.
Is Photon Flash better than FLUX 1.1 Pro?
That depends on the task. Photon Flash (Luma AI) and FLUX 1.1 Pro (Black Forest Labs) are both models in the Image generation category. The comparison page shows their prices and specifications side by side.
Compare Photon Flash and FLUX 1.1 ProHow do I use Photon Flash through the API?
Create a Railwail API key and send your request with the model ID luma-photon-flash. Code examples for curl, Python and JavaScript are in the API section of this page.
Comparable models
All in this category- FLUX 1.1 ProBlack Forest Labs
Black Forest Labs' flagship text-to-image model. Faster generation than FLUX.1 Pro at higher prompt adherence, with strong photorealism and reliable spatial composition. Runs as a hosted Replicate model.
- Flux 1.1 Pro UltraBlack Forest Labs
FLUX 1.1 Pro in ultra mode. Up to 4 megapixel images with raw mode for photorealism.
- Flux DevBlack Forest Labs
Black Forest Labs' development model. Fast, high-quality image generation with LoRA support.
Use Photon Flash via the API
One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = US$0.01.