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Imagen4 Ultra

google /

Imagen4 Ultra is Google's highest-quality text-to-image model, generating high-fidelity images from simple text prompts. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

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If enabled, the output will be encoded into a BASE64 string instead of a URL. This property is only available through the API.

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Cinematic close-up of a  young woman with long blonde hair, blue eyes,  with wet hair stepping out of a lake, droplets on her face, eyes calm and powerful, natural backlight, earthy green and blue palette, 85mm lens, raw and grounded

$0.058실행당·~17 / $1

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Cinematic close-up of a  young woman with long blonde hair, blue eyes,  with wet hair stepping out of a lake, droplets on her face, eyes calm and powerful, natural backlight, earthy green and blue palette, 85mm lens, raw and grounded

Cinematic close-up of a young woman with long blonde hair, blue eyes, with wet hair stepping out of a lake, droplets on her face, eyes calm and powerful, natural backlight, earthy green and blue palette, 85mm lens, raw and grounded

Cinematic close-up from the front of a humanoid robot child sitting quietly among broken machine parts in a massive robot junkyard, facing the camera directly, his synthetic skin slightly scratched, glowing blue eyes wide with innocence and sadness, soft sunset light casting warm highlights across his face, blurred background filled with rusted metal fragments and tangled cables, a cracked robotic hand resting near his shoulder, burnt orange and cold steel color palette, shot on 85mm lens, shallow depth of field, high skin-texture detail, emotional and haunting

Cinematic close-up from the front of a humanoid robot child sitting quietly among broken machine parts in a massive robot junkyard, facing the camera directly, his synthetic skin slightly scratched, glowing blue eyes wide with innocence and sadness, soft sunset light casting warm highlights across his face, blurred background filled with rusted metal fragments and tangled cables, a cracked robotic hand resting near his shoulder, burnt orange and cold steel color palette, shot on 85mm lens, shallow depth of field, high skin-texture detail, emotional and haunting

Cinematic shot of a tired old fisherman, a thin, weathered man with a white beard and sun-wrinkled skin, sitting on a wooden dock at dawn, melancholic and serene, slowly mending his net with calloused hands, low angle, soft morning light with pinkish hues, pastel color palette, 85mm lens, ultra sharp focus, high dynamic range

Cinematic shot of a tired old fisherman, a thin, weathered man with a white beard and sun-wrinkled skin, sitting on a wooden dock at dawn, melancholic and serene, slowly mending his net with calloused hands, low angle, soft morning light with pinkish hues, pastel color palette, 85mm lens, ultra sharp focus, high dynamic range

Cinematic landscape of a remote Nordic mountain village at dawn, wooden cabins with grass-covered roofs scattered along a winding dirt road, dense fog rolling in from the dark pine-covered slopes, smoke rising gently from a few chimneys,  high angle, soft cold morning light filtering through mist, desaturated blue-grey and moss green palette, still and silent, 35mm lens, cinematic softness with rich texture in the wet ground and wood grain

Cinematic landscape of a remote Nordic mountain village at dawn, wooden cabins with grass-covered roofs scattered along a winding dirt road, dense fog rolling in from the dark pine-covered slopes, smoke rising gently from a few chimneys, high angle, soft cold morning light filtering through mist, desaturated blue-grey and moss green palette, still and silent, 35mm lens, cinematic softness with rich texture in the wet ground and wood grain

Cinematic wide shot from the back,  a man standing alone on a beach during a storm, coat flapping in the wind, waves crashing violently in the background, desaturated blue and grey tones, dramatic clouds above, shot on 35mm lens, emotional and epic

Cinematic wide shot from the back, a man standing alone on a beach during a storm, coat flapping in the wind, waves crashing violently in the background, desaturated blue and grey tones, dramatic clouds above, shot on 35mm lens, emotional and epic

Cinematic medium shot of a soldier in a desert exosuit scanning the horizon through a cracked visor, ruined megastructures looming in the distance, sepia and steel color grading, wind-blown particles, harsh light

Cinematic medium shot of a soldier in a desert exosuit scanning the horizon through a cracked visor, ruined megastructures looming in the distance, sepia and steel color grading, wind-blown particles, harsh light

Cinematic front view shot of an angry lion walking straight down the middle of a New York City street in broad daylight,  the lion perfectly centered in frame, intense gaze fixed ahead. Muted colors palette, sharp sunlight casting defined shadows, shot on 35mm lens, symmetrical composition

Cinematic front view shot of an angry lion walking straight down the middle of a New York City street in broad daylight, the lion perfectly centered in frame, intense gaze fixed ahead. Muted colors palette, sharp sunlight casting defined shadows, shot on 35mm lens, symmetrical composition

A young white guy, 20 years old, mullet and sunglasses, wearing a vintage racing jacket and baggy jeans, sitting on a parking barrier in front of a rundown gas station, cloudy sky

A young white guy, 20 years old, mullet and sunglasses, wearing a vintage racing jacket and baggy jeans, sitting on a parking barrier in front of a rundown gas station, cloudy sky

Cinematic medium shot of a young woman standing on a rooftop at sunset, her hair blowing in the wind, staring at the horizon in silence, the city glowing behind her, warm golden palette with soft shadows, 50mm lens, reflective and free

Cinematic medium shot of a young woman standing on a rooftop at sunset, her hair blowing in the wind, staring at the horizon in silence, the city glowing behind her, warm golden palette with soft shadows, 50mm lens, reflective and free

A female dancer in 1920s Jazz Age attire, elegantly performing in a dimly lit ballroom, with the image featuring a vintage film grain effect.

A female dancer in 1920s Jazz Age attire, elegantly performing in a dimly lit ballroom, with the image featuring a vintage film grain effect.

A cyberpunk-style woman in neon-lit attire, standing in a rainy, futuristic cityscape at night. Her skin glows with blue and purple light from the reflections, with towering buildings and flying vehicles in the background.

A cyberpunk-style woman in neon-lit attire, standing in a rainy, futuristic cityscape at night. Her skin glows with blue and purple light from the reflections, with towering buildings and flying vehicles in the background.

A young man casually checking his phone while walking slowly along a neon-lit city street at dusk. The lights flicker gently as passing cars reflect on the wet pavement. A soft breeze ruffles his hair and clothes, and the camera slowly zooms in with a shallow depth of field.

A young man casually checking his phone while walking slowly along a neon-lit city street at dusk. The lights flicker gently as passing cars reflect on the wet pavement. A soft breeze ruffles his hair and clothes, and the camera slowly zooms in with a shallow depth of field.

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README

Google Imagen 4 Ultra

Imagen 4 Ultra is Google’s flagship high-fidelity image generation model, offering unmatched visual quality, detail precision, and stylistic versatility. Designed for professional creators and production pipelines, it pushes the limits of realism and aesthetic control in AI-generated imagery.

🌟 Why it stands out

  • Unparalleled Photorealism: Captures ultra-fine surface textures, natural lighting gradients, and lifelike skin, fabric, and material details.

  • 2K-Resolution Mastery: Natively supports ultra-high-resolution outputs up to 2048 × 2048 px, preserving composition balance and clarity even at large scale.

  • Advanced Lighting & Color Accuracy: Delivers cinematic exposure, dynamic contrast, and true-to-life color grading for production-ready visuals.

  • Text & Typography Precision: Generates legible, stylized typography — ideal for posters, magazines, product packaging, and digital design.

  • Style Versatility: Excels across photography, hyperrealism, illustration, fantasy art, and branded visual design, adapting intuitively to tone and mood.

  • Several Images in One Click: Instantly generate multiple high-quality image variations per prompt — perfect for fast exploration and creative selection.

⚙️ Capabilities

  • Input: text prompt

  • Enhanced semantic understanding for multi-subject, complex lighting, and layered compositions

  • Works with descriptive prompts such as:

  • “A cinematic portrait of an astronaut illuminated by warm sunlight filtering through a space station window.”

  • “Luxury product photography of a perfume bottle on marble, soft reflections and shallow focus.”

💰 Pricing

  • $0.058 per image
  • Commercial use allowed

💡 Best Use Cases

  • Advertising & Branding — Create visually stunning, print-ready assets with precision detail.
  • Film & Media Production — Generate high-resolution concept art and cinematic stills.
  • Product & Fashion Design — Showcase materials and craftsmanship with photorealistic lighting.
  • Fine Art & Illustration — Achieve painterly or hyper-detailed results with exceptional control.

📝 Notes

Please ensure your prompts comply with Google’s Safety Guidelines. If an error occurs, review your prompt for restricted content, adjust it, and try again.

접근성:이 웹사이트는 제3자가 제공하는 AI 모델을 사용합니다.

Imagen4 Ultra API — Quick start

Grab a WaveSpeedAI API key, then call POST https://api.wavespeed.ai/api/v3/google/imagen4-ultra with your input as JSON. The endpoint returns a prediction id; poll the prediction endpoint until status flips to completed, then read the output URL from data.outputs[0]. Examples for Imagen4 Ultra below.

HTTP example
# Submit the prediction
curl -X POST "https://api.wavespeed.ai/api/v3/google/imagen4-ultra" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY" \
  -d '{
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "aspect_ratio": "1:1",
    "resolution": "1k",
    "num_images": 1,
    "negative_prompt": "blurry, low quality, distorted",
    "seed": 0,
    "enable_base64_output": false
}'

# Response includes a prediction id. Poll for the result:
curl -X GET "https://api.wavespeed.ai/api/v3/predictions/{request_id}/result" \
  -H "Authorization: Bearer $WAVESPEED_API_KEY"

# When status is "completed", read the output from data.outputs[0].
Node.js example
// npm install wavespeed
const WaveSpeed = require('wavespeed');

const client = new WaveSpeed(); // reads WAVESPEED_API_KEY from env

const result = await client.run("google/imagen4-ultra", {
        "prompt": "A cinematic shot of a city at sunset, soft golden light",
        "aspect_ratio": "1:1",
        "resolution": "1k",
        "num_images": 1,
        "negative_prompt": "blurry, low quality, distorted",
        "seed": 0,
        "enable_base64_output": false
});

console.log(result.outputs[0]); // → URL of the generated output
Python example
# pip install wavespeed
import wavespeed

output = wavespeed.run(
    "google/imagen4-ultra",
    {
    "prompt": "A cinematic shot of a city at sunset, soft golden light",
    "aspect_ratio": "1:1",
    "resolution": "1k",
    "num_images": 1,
    "negative_prompt": "blurry, low quality, distorted",
    "seed": 0,
    "enable_base64_output": false
}
)

print(output["outputs"][0])  # → URL of the generated output

Imagen4 Ultra API — Frequently asked questions

What is the Imagen4 Ultra API?

Imagen4 Ultra is a Google model for image generation, exposed as a REST API on WaveSpeedAI. Imagen4 Ultra is Google's highest-quality text-to-image model, generating high-fidelity images from simple text prompts. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing. You can call it programmatically or try it from the playground above.

How do I call the Imagen4 Ultra API?

POST your input parameters to the model's REST endpoint (shown in the API tab of this playground) with your WaveSpeedAI API key in the Authorization header. Submission returns a prediction ID; poll the prediction endpoint until status flips to "completed", then read the output URL from the result. The playground generates a ready-to-paste code sample in Python, JavaScript, or cURL for whatever inputs you've set. Full request/response shape is documented at https://wavespeed.ai/docs/docs-api/google/google-imagen4-ultra.

How much does Imagen4 Ultra cost per run?

Imagen4 Ultra starts at $0.058 per run. That figure is the base price — the final charge scales with the parameters you set in the form (output size, length, count, references, or whatever knobs this model exposes), so a higher-quality or larger output costs more than a minimal one. The exact cost for your current input is shown live next to the Generate button before you submit, and the actual per-call charge is recorded on the prediction afterwards.

What inputs does Imagen4 Ultra accept?

Key inputs: `prompt`, `aspect_ratio`, `resolution`, `seed`, `negative_prompt`, `enable_base64_output`. The full JSON schema (types, defaults, allowed values) is rendered above the Generate button and mirrored in the API reference at https://wavespeed.ai/docs/docs-api/google/google-imagen4-ultra.

How long does Imagen4 Ultra take to generate?

Average end-to-end generation time on WaveSpeedAI is around 24 seconds per request — measured across recent runs. Queue time scales with global demand; live status is visible in the prediction record.

Can I use Imagen4 Ultra outputs commercially?

Commercial usage rights depend on the model's license, set by its provider (Google). The license summary appears on the model card above; see WaveSpeedAI's Terms of Service for platform-level conditions.