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Imagen 4 - Free AI Image Generator

Google's latest image generation model with photographic-quality output

Imagen 4 is Google DeepMind's latest image generation model, representing the fourth generation of Google's Imagen research line. Three variants are available on Genkee AI: Imagen 4 Fast (1 credit, 5-30s) for quick generation, Imagen 4 Standard (2 credits) with 1K/2K quality tiers, and Imagen 4 Ultra (2 credits, 15-90s) for maximum fidelity. Imagen 4 is trained on Google's proprietary dataset — the same data pipeline that powers Google Photos and Google Search image understanding. This gives it a distinctive advantage in photographic-quality output: natural lighting, accurate skin tones, realistic depth of field, and true-to-life material textures. The model has a 480-character prompt limit (shorter than other models), which reflects its design philosophy of doing more with less — Imagen 4 infers scene details intelligently rather than requiring exhaustive descriptions.

Key Features

Three variants: Fast (1 credit), Standard (2 credits), Ultra (2 credits)

Photographic-quality output with natural lighting and accurate skin tones

Trained on Google's proprietary image dataset for unmatched photorealism

1K and 2K quality tiers (Standard and Ultra variants)

Intelligent scene inference — generates rich scenes from brief prompts

Technical Specifications

Category	image Generation
Resolution	1:1, 16:9, 9:16, 4:3, 3:4
Quality	1K, 2K
Capabilities	text-to-image
Starting Credits	1 credits
Estimated Time	5-90s
Last Updated	2026-03-06

How to Use Imagen 4

Write Your Prompt

Describe the image you want to generate with Imagen 4. Include style, subject, composition, and mood details.

Configure Settings

Choose your preferred resolution, and quality tier. Higher settings produce better results but use more credits.

Generate and Download

Click generate and wait 5-90s for your image. Download the result or share it directly.

Use Cases

Photographic-quality portraits with accurate skin tones, lighting, and depth of field

Nature and landscape imagery that looks indistinguishable from DSLR photography

Quick concept iteration using Imagen 4 Fast at 1 credit per image

Product visualization where accurate material textures and lighting are critical

Frequently Asked Questions

What is the difference between Imagen 4, Imagen 4 Fast, and Imagen 4 Ultra?▼

Imagen 4 Fast (1 credit, 5-30s) is for quick generation. Imagen 4 Standard (2 credits, 10-60s) adds 1K/2K quality tiers. Imagen 4 Ultra (2 credits, 15-90s) produces the highest fidelity output with extended generation time.

How does Imagen 4 compare to Nano Banana 2?▼

Imagen 4 excels at photographic realism with natural lighting and skin tones. Nano Banana 2 offers more aspect ratios (10 vs 5), longer prompts (4,000 vs 480 chars), and reference image support (up to 14). Choose Imagen for photorealism, Nano Banana for flexibility.

Why is the prompt limit 480 characters?▼

Imagen 4 is designed to infer scene details intelligently from brief descriptions. A 480-character prompt is typically sufficient — the model fills in realistic lighting, materials, and composition automatically.

Is Imagen 4 free to use?▼

New users receive free credits on Genkee AI. Imagen 4 Fast costs just 1 credit per image, making it one of the most affordable ways to generate photorealistic images.