IMAGEN4
Use this fast version of Imagen 4 when speed and cost are more important than quality
Avg Run Time: 13.000s
Model Slug: imagen-4-fast
Playground
Input
Output
Example Result
Preview and download your result.
API & SDK
Create a Prediction
Send a POST request to create a new prediction. This will return a prediction ID that you'll use to check the result. The request should include your model inputs and API key.
Get Prediction Result
Poll the prediction endpoint with the prediction ID until the result is ready. The API uses long-polling, so you'll need to repeatedly check until you receive a success status.
Readme
Overview
imagen-4-fast — Text-to-Image AI Model
imagen-4-fast delivers rapid photorealistic image generation from text prompts, prioritizing speed and low cost for developers and creators needing quick prototypes without sacrificing core quality. Developed by Google as part of the imagen4 family, this text-to-image AI model generates images in about 4 seconds at just 2 credits per output, making it ideal when Google text-to-image performance matters more than ultra-high fidelity. Unlike full-quality variants, imagen-4-fast optimizes for low-latency use cases like iterative prompt testing or high-volume text-to-image AI model workflows on platforms like Eachlabs.
Technical Specifications
What Sets imagen-4-fast Apart
imagen-4-fast stands out in the text-to-image landscape with its balance of photorealistic detail and blazing speed, generating 1024x1024 images in roughly 4 seconds—half the time of the standard Imagen 4 at a fraction of the cost. This enables developers seeking a Google text-to-image API to handle prototyping or batch tasks efficiently without premium pricing.
- Ultra-low latency at ~4 seconds per image: Perfect for real-time testing of prompts in text-to-image AI model apps, where standard models take 8+ seconds, allowing 2x faster iteration cycles.
- 1024x1024 resolution with flexible aspect ratios (1:1, 16:9, 9:16, 4:3, 3:4): Supports common formats for social media or web previews directly, reducing post-processing needs compared to lower-res alternatives.
- Photorealistic rendering of textures and fabrics at 2 credits: Excels in product visuals and lifestyle shots where fine details matter, outperforming slower models in cost-sensitive high-volume scenarios.
These specs make imagen-4-fast a go-to for fast text-to-image generation, distinct from higher-res but slower competitors.
Key Considerations
Prompt quality matters: Clear, detailed prompts lead to better results.
Not fact-grounded: Expect some inconsistencies in details and realism.
Style & text limits: Handles diverse styles and text better—but not perfectly.
Tips & Tricks
How to Use imagen-4-fast on Eachlabs
Access imagen-4-fast seamlessly on Eachlabs via the Playground for instant text-to-image testing, the API for scalable integrations, or SDK for custom apps—simply provide a descriptive prompt, select aspect ratio and resolution up to 1024x1024, and get photorealistic outputs in ~4 seconds with full commercial rights.
---Capabilities
Photorealism: Create lifelike images of people, animals, landscapes, and more—down to the finest detail.
Ultra-sharp details: Rich textures, vibrant colors, and stunning close-ups with natural depth and gradients.
Smarter text rendering: Better spelling, longer passages, and more sophisticated typography—ideal for comics, collectibles, and design work.
More styles, more control: From hyper-realistic to abstract, it handles a wide range of visual styles with improved accuracy.
Fast mode: Explore ideas at lightning speed—up to 10× faster than Google’s earlier models.
High-resolution output: Generate crisp, creative visuals at up to 2K resolution.
What Can I Use It For?
Use Cases for imagen-4-fast
Developers building text-to-image APIs can leverage imagen-4-fast for rapid prototyping, generating dozens of variants in minutes to refine app features before scaling to premium models. Input a prompt like "photorealistic close-up of a leather wallet on a wooden table with soft sunlight," and receive a high-fidelity 1024x1024 output in seconds for instant feedback.
Marketers creating Google text-to-image content for e-commerce benefit from its speed in producing lifestyle product images, such as swapping backgrounds on inventory photos without studio delays, ensuring quick campaign visuals at low cost.
Content creators testing prompts for social media use imagen-4-fast's low-latency edge to iterate on aspect ratios like 9:16 for stories, generating photorealistic portraits or scenes far faster than full-quality alternatives.
Designers in high-volume workflows appreciate its texture accuracy for fabric and material mocks, enabling fast approvals on previews before final renders.
Things to Be Aware Of
No customization tools: It doesn’t support style transfer, subject tuning, or few-shot personalization.
No image editing: Features like inpainting, outpainting, masking, or image upscaling are not available.
No negative prompting: You can’t exclude elements (e.g., “no text,” “no watermark”) via prompts.
Limitations
Lack of factual grounding: Imagen isn’t built for real-world accuracy. It can introduce artifacts in complex scenes, especially
with small faces, text, or thin structures.
Centering issues: Struggles with perfect alignment, such as placing a circle exactly in the center.
Unclear prompts: Nonsensical input (like random characters or emojis) can lead to unpredictable results.
Output Format: JPG,PNG
Pricing
Pricing Type: Dynamic
Fixed price per execution: $0.02
Current Pricing
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Dev questions, real answers.
Imagen 4 Fast is Google's speed-optimized version of the Imagen 4 text-to-image model, designed to deliver fast image generation at lower cost while maintaining strong visual quality. It generates detailed, photorealistic images from natural language prompts using Google's advanced diffusion architecture, optimized for workflows requiring high throughput.
Imagen 4 Fast produces images more quickly and at a lower cost than the standard Imagen 4, with a slight reduction in maximum visual detail and photorealism. For most content creation, advertising, and application use cases, Fast delivers excellent quality. Reserve the standard Imagen 4 for applications demanding the absolute highest photorealistic output.
Imagen 4 Fast is available on the eachlabs platform under the model ID imagen-4-fast. Submit a text prompt to the eachlabs unified API and receive a fast-generated image from Google. eachlabs provides access to Imagen 4 Fast alongside the full Google model catalog and 150+ other providers on pay-as-you-go pricing.