Google Imagen 4
imagen-4-flagshipGoogle DeepMind's Imagen 4 text-to-image model, hosted on Replicate. Sharp detail, accurate text rendering, and strong prompt adherence across photographic and illustrated styles. Outputs up to 2K resolution.
- Price
- $0.048/image
- Aspect ratios
- 1:1, 16:9, 9:16, 4:3, 3:4
- Input → output
- Text → Image
- Developer
- Google DeepMind
- Updated
- September 23, 2026
Playground
Try Google Imagen 4
Input & output
This run
$0.048 · 4.8 credits
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.
Examples
Open full sizePrompt
The photo: Create a cinematic, photorealistic medium shot capturing the nostalgic warmth of a late 90s indie film. The focus is a young woman with brightly dyed pink-gold hair and freckled skin, looking directly and intently into the camera lens with a hopeful yet slightly uncertain smile, she is slightly off-center. She wears an oversized, vintage band t-shirt that says "Replicate" (slightly worn) over a long-sleeved striped top and simple silver stud earrings. The lighting is soft, golden hour sunlight streaming through a slightly dusty window, creating lens flare and illuminating dust motes in the air. The background shows a blurred, cluttered bedroom with posters on the wall and fairy lights, rendered with a shallow depth of field. Natural film grain, a warm, slightly muted color palette, and sharp focus on her expressive eyes enhance the intimate, authentic feel
Settings
- aspect_ratio
- 16:9
Open full sizePrompt
The text "Imagen-4" in front of a photo, center middle. The photo: Create a cinematic, photorealistic medium shot capturing the nostalgic warmth of a late 90s indie film. The focus is a young woman with brightly dyed pink-gold hair and freckled skin, looking directly and intently into the camera lens with a hopeful yet slightly uncertain smile, she is slightly off-center. She wears an oversized, vintage band t-shirt that says "Replicate" (slightly worn) over a long-sleeved striped top and simple silver stud earrings. The lighting is soft, golden hour sunlight streaming through a slightly dusty window, creating lens flare and illuminating dust motes in the air. The background shows a blurred, cluttered bedroom with posters on the wall and fairy lights, rendered with a shallow depth of field. Natural film grain, a warm, slightly muted color palette, and sharp focus on her expressive eyes enhance the intimate, authentic feel
Settings
- aspect_ratio
- 16:9
Open full sizePrompt
gorilla riding a moped through busy italian city
Settings
- aspect_ratio
- 9:16
About Google Imagen 4
Google Imagen 4 is a model by Google DeepMind in the Image generation category. On Railwail, Google Imagen 4 costs $0.048 per image. Supported aspect ratios: 1:1, 16:9, 9:16, 4:3, and 3:4.
Pricing
| Per image | $0.048 per image |
|---|
- 1 credit = $0.01
Cost calculator
Price calculator
Total
$4.80
480 credits
Per run
$0.048 · 4.8 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": "imagen-4-flagship",
"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="imagen-4-flagship",
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: "imagen-4-flagship",
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("imagen-4-flagship", "A lighthouse on a rocky coast at sunset, photorealistic");
console.log(res.data[0].url);Specifications
- Model ID
imagen-4-flagship- Developer
- Google DeepMind
- Category
- Image generation
- Input
- Text
- Output
- Image
- Output formats
- PNG, JPG
- Aspect ratios
- 1:1, 16:9, 9:16, 4:3, 3:4
- 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.
promptWhat to generate
Type: TextDefault: –Allowed values: up to 2,000 charactersaspect_ratioType: ChoiceDefault:1:1Allowed values: 1:1, 16:9, 9:16, 4:3, or 3:4output_formatType: ChoiceDefault:jpgAllowed values: png or jpgsafety_filter_levelType: ChoiceDefault:block_only_highAllowed values: block_low_and_above, block_medium_and_above, or block_only_high
Tags
- replicate
- imagen
- text-to-image
- photorealism
- flagship
Use cases
Frequently asked questions
What is Google Imagen 4?
Google Imagen 4 is a model by Google DeepMind in the Image generation category. On Railwail you can call it with an API key through the Railwail API.
How much does Google Imagen 4 cost on Railwail?
On Railwail, Google Imagen 4 costs $0.048 per image. The price is known before the run starts. Usage is paid from prepaid credits; 1 credit equals $0.01.
Which settings does Google Imagen 4 support?
According to its input schema, Google Imagen 4 knows these parameters: prompt (up to 2,000 characters), aspect_ratio (1:1, 16:9, 9:16, 4:3, or 3:4), output_format (png or jpg), and safety_filter_level (block_low_and_above, block_medium_and_above, or block_only_high).
How fast is Google Imagen 4?
There are not enough measured runs of Google Imagen 4 on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.
Is Google Imagen 4 better than FLUX 1.1 Pro?
That depends on the task. Google Imagen 4 (Google DeepMind) 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 Google Imagen 4 and FLUX 1.1 ProHow do I use Google Imagen 4 through the API?
Create a Railwail API key and send your request with the model ID imagen-4-flagship. 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 Google Imagen 4 via the API
One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = $0.01.