Imagen 4 Ultra
Google's highest quality text-to-image generation model, delivering exceptional fidelity and detail for professional-grade visuals.
Google 
Fal Google's highest fidelity text-to-image generation model
Imagen 4 Ultra is Google's flagship image generation model and the top tier of the Imagen 4 family, trained through early 2025. It accepts text prompts of up to 10,000 tokens and is designed to handle complex, multi-element descriptions including specific art styles, multi-scene compositions, and nuanced visual storytelling. The model supports image URL arrays as input, allowing users to reference existing images alongside text prompts. It is licensed for commercial use, making it available to businesses and creative professionals working on production-grade projects.
Imagena 4 Ultra is best suited for use cases where image fidelity and detail are priorities, such as professional design work, advertising, and high-resolution visual content creation. It covers a wide range of output styles, from photorealistic portraits and landscapes to stylized illustrations and pixel art. According to community benchmarking discussions, Imagen 4 Ultra has achieved competitive Elo ratings in image arenas, including a reported tie with GPT-Image-1 in the Image Arena as of mid-2025. The model is accessible via the Google Gemini API as well as third-party inference platforms such as fal.ai.
What Imagen 4 Ultra supports
Text-to-Image Generation
Generates images from text prompts with up to 10,000 tokens, enabling detailed and complex scene descriptions.
Image URL Input
Accepts arrays of image URLs as input, allowing reference images to be passed alongside text prompts for guided generation.
Style Selection
Supports a select input type for specifying output styles, covering photorealistic, illustrated, and stylized visual modes.
Commercial Licensing
Licensed for commercial applications, making generated images usable in business and professional production contexts.
High-Resolution Output
Produces high-resolution images suited for professional and commercial use cases where detail and fidelity are required.
API Access
Available via the Google Gemini API and third-party platforms like fal.ai, with documented endpoints for programmatic integration.
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Get Started FreeCommon questions about Imagen 4 Ultra
What is the context window for Imagen 4 Ultra?
Imagen 4 Ultra supports a context window of 10,000 tokens, which applies to the text prompt input describing the desired image.
Is Imagen 4 Ultra licensed for commercial use?
Yes, Imagen 4 Ultra is licensed for commercial applications, making it suitable for businesses and creative professionals producing commercial content.
When was Imagen 4 Ultra trained?
According to the model metadata, Imagen 4 Ultra has a training data cutoff of early 2025.
Where can I find pricing information for Imagen 4 Ultra?
Pricing for Imagen 4 Ultra via the Google Gemini API is listed on the Google Gemini API pricing page at ai.google.dev/gemini-api/docs/pricing#imagen.
What input types does Imagen 4 Ultra accept?
Imagen 4 Ultra accepts image URL arrays and select-type inputs, in addition to text prompts, allowing users to provide reference images and specify style options alongside their descriptions.
What people think about Imagen 4 Ultra
Community discussions reference Imagen 4 Ultra in the context of competitive image arena benchmarks, with one thread noting it tied with GPT-Image-1 in the Image Arena as of July 2025. Users in these threads generally treat it as a reference point for evaluating other text-to-image models.
Several threads focus on competing open-source and commercial models rather than Imagen 4 Ultra specifically, suggesting it is often used as a benchmark baseline rather than a primary subject of discussion. No significant reported limitations or failure cases specific to Imagen 4 Ultra were identified in the available threads.
Alibaba drops Qwen-Image-2512: New strongest open-source image model that rivals Gemini 3 Pro and Imagen 4
New Open-source text-to-image model from Alibaba is just below Seedream 4, Coming today or tomorrow!
Google's Nano Banana 2 (Gemini 3.1 Flash Image Preview) takes #1 in Text to Image in the Artificial Analysis Image Arena at half the price of Nano Banana Pro!
Imagen 4 Ultra ties with GPT-Image-1 in Image Arena
Documentation & links
Parameters & options
If you want to edit an existing image, provide the URL(s) or variables
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