Runway Gen-4 Image

Create exact images using up to 3 reference images for guidance

"a close up portrait of @woman and @man standing in @park, hands in pockets, looking cool. She is wearing her pink sweater and bangles."

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Image 1
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Image 2

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Image 3

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Generated Result

Generated Result
Generated
~15-30 seconds

Upload your image and transform it in seconds

12,000+ images created this month

📄 About Runway Gen-4 Image
Key Features
Generate custom images by blending detailed text prompts with up to three reference images for precise visual outcomes.
Assign unique alphanumeric tags to reference images and reference them directly in prompts for granular control over image elements.
Supports five popular aspect ratios (1:1, 4:3, 3:4, 16:9, 9:16) and two high-quality resolutions (720p, 1080p) for versatile output.
Fast image generation, typically within 15–30 seconds, ideal for rapid prototyping and creative workflows.
Intuitive interface with easy file uploads, prompt input, and flexible customization options for all skill levels.
Leverages advanced neural networks to capture every angle and detail, ensuring high realism and fidelity.
Flexible pay-as-you-go credit system makes professional-grade image generation accessible and scalable.
💡 Use Cases
Creating tailored marketing materials and social media visuals that match brand guidelines.
Generating digital art, concept art, or illustrations using both textual and visual inspiration.
Building realistic product mockups and prototypes for e-commerce, advertising, or pitch presentations.
Designing storyboards, scene concepts, or mood boards for video, film, and animation projects.
Enhancing editorial articles and blog posts with high-quality, unique illustrations.
Developing avatars, portraits, or character designs for gaming and virtual environments.
Quickly visualizing creative concepts for client proposals, workshops, or brainstorming sessions.
🎯 Best For
🎯 Professional designers, marketers, content creators, and digital artists who need precise, customizable AI-generated images.
👍 Pros
Combines text and reference images for unparalleled creative control.
Flexible aspect ratios and resolutions suitable for diverse platforms.
Rapid image generation streamlines creative workflows.
User-friendly interface supports both simple and complex projects.
Advanced tagging system for precise subject and style placement.
Produces high-quality, realistic images for professional applications.
⚠️ Considerations
Limited to a maximum of three reference images per generation.
Reference images must fit specific aspect ratio requirements (0.5–2).
Supports only 720p and 1080p resolutions, which may not suffice for all print applications.
Requires careful prompt and reference setup to achieve optimal results.
📚 How to Use Runway Gen-4 Image
1
Write a detailed text prompt describing your desired image.
2
Upload up to three reference images, ensuring each has an aspect ratio between 0.5 and 2.
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Optionally assign alphanumeric tags to your reference images for precise control.
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Select your preferred aspect ratio and resolution (720p or 1080p).
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Reference tagged images in your prompt using the '@tag_name' format as needed.
6
Submit your inputs and wait 15–30 seconds for your custom image to be generated.
💡 Pro Tips for Runway Gen-4 Image
Tag Your References Strategically Assign clear, descriptive tags to each reference image—like @subject, @background, or @style—and reference them explicitly in your prompt. This ensures the model knows exactly which visual elements to pull from each image. For instance, '@subject wearing a red jacket in @background' gives precise control over composition. This tagging system is unique to Gen-4 Image and offers more granular control than models like FLUX 2 Dev Edit, which rely on single-image guidance.
Balance Prompt Detail with Reference Strength When using multiple reference images, keep your text prompt focused on the relationships between tagged elements rather than redundant descriptions. The model excels when references handle visual style and the prompt directs composition. Over-describing what's already visible in references can dilute results. If you need simpler prompt-only editing, consider OpenAI GPT Image 2 Edit for straightforward modifications without reference complexity.
Match Reference Image Aspect Ratios Ensure all reference images fall within the 0.5 to 2.0 aspect ratio range to avoid upload errors. Extremely wide or tall images will be rejected. Pre-crop your references to standard dimensions before uploading. This constraint ensures the model processes visual data consistently. If you're working with unconventional crops or need face-specific transformations, FLUX 2 Face to Full Portrait offers more flexibility for portrait-oriented workflows.
Iterate Resolution Last Start your creative process at 720p to save credits during experimentation. Once you've dialed in the perfect prompt and reference combination, regenerate at 1080p for final deliverables. This two-stage workflow maximizes iteration speed while controlling costs. The 15–30 second generation time makes rapid testing feasible, so refine your inputs before committing to higher-resolution outputs that consume more credits per generation.
Use Aspect Ratios for Platform Optimization Select aspect ratios based on your output destination: 1:1 for Instagram posts, 16:9 for YouTube thumbnails, 9:16 for Stories and Reels, 4:3 for presentations, and 3:4 for Pinterest pins. Choosing the correct ratio upfront eliminates the need for cropping or resizing later, preserving image quality and composition. Models like Qwen Image 2 Pro Edit offer similar aspect flexibility but without the multi-reference tagging system.
Combine References from Different Sources Mix reference types—one image for subject, another for lighting style, a third for background environment—to build complex scenes that would be difficult to describe in text alone. This multi-source approach leverages Gen-4 Image's strength in synthesizing diverse visual inputs. For headshot-specific workflows where you need consistent facial features across variations, AI Headshot Generator provides specialized tools for professional portraits.
Frequently Asked Questions
You can use up to three reference images per generation. This allows you to guide the AI's style, composition, and subject matter with a high degree of control.
Runway Gen-4 Image supports five aspect ratios (1:1, 4:3, 3:4, 16:9, 9:16) and two resolution options (720p and 1080p), making it suitable for a wide range of digital formats.
Each reference image can be assigned a unique tag, which you can reference in your text prompt using '@tag_name'. This gives you precise control over how each reference image influences the generated output.
Image generation typically takes between 15 to 30 seconds, allowing for quick iteration and real-time creative experimentation.
Pricing varies by model and is based on a pay-as-you-go credit system, allowing you to scale your usage according to your project needs.
Runway Gen-4 Image pricing is competitive with other reference-based models on JAI Portal, though exact credit costs vary by resolution and complexity. Generally, 720p generations consume fewer credits than 1080p outputs, making it cost-effective to prototype at lower resolution before finalizing high-res versions. Compared to simpler single-image editors like OpenAI GPT Image 2 Edit, Gen-4 Image may use slightly more credits per generation due to its multi-reference processing, but the added control justifies the cost for complex projects. For budget-conscious workflows, consider Bytedance Seedream v5 Lite Edit as a lighter alternative. All JAI Portal models operate on pay-as-you-go credits with no subscription required, so you only pay for what you generate.
Yes, all images generated with Runway Gen-4 Image on JAI Portal come with commercial-use rights when created using paid credits. This means you can use outputs in client work, marketing campaigns, product packaging, social media advertising, and any revenue-generating project without additional licensing fees. This commercial-use guarantee applies across all JAI Portal models, giving you legal clarity for professional applications. However, ensure your reference images are either your own original content or properly licensed for commercial use, as the model will incorporate visual elements from your uploads. If you're generating content for sensitive applications like corporate headshots, AI Headshot Generator offers specialized controls for professional portraiture with the same commercial rights.
Runway Gen-4 Image accepts most standard image formats for reference uploads, including JPEG, PNG, and WebP. The model outputs high-quality images in web-optimized formats suitable for immediate use across digital platforms. For reference images, ensure files are clear, well-lit, and properly exposed—the model performs best with sharp, high-contrast inputs. Avoid heavily compressed or low-resolution references, as these can introduce artifacts or reduce output fidelity. The 720p and 1080p output resolutions are optimized for digital use; if you need higher resolutions for print applications, you may need to upscale outputs using external tools. For workflows requiring different aspect handling or higher base resolutions, compare with Qwen Image 2 Edit or Nano Banana 2 Pro Edit to find the best fit.
If your outputs don't align with reference images, first verify that your tags are correctly assigned and referenced in the prompt using the @tag_name syntax. Misspelled or missing tags will cause the model to ignore those references. Second, check that reference images meet the 0.5–2.0 aspect ratio requirement—out-of-range images may be processed incorrectly or rejected. Third, simplify your prompt to focus on relationships between tagged elements rather than over-describing visual details already present in references. The model works best when prompts guide composition and references provide style and content. If results remain inconsistent, try reducing the number of references to isolate which image is causing confusion. For simpler editing tasks where references aren't critical, FLUX 2 Dev Edit may offer more predictable results with less setup complexity.
Currently, Runway Gen-4 Image on JAI Portal processes one generation per submission, meaning you'll need to submit separate requests for each variation. However, because generation times are only 15–30 seconds, you can rapidly iterate by adjusting prompts or aspect ratios while keeping the same reference images uploaded. For efficient batch workflows, prepare multiple prompt variations in advance and submit them sequentially. This approach works well for A/B testing marketing visuals or exploring different compositional arrangements of the same subjects. If you need True batch processing with automated variations, consider using JAI Portal's API access for programmatic generation at scale. For projects requiring dozens of similar outputs—like product mockups or avatar variations—you might also explore AI Headshot Generator for portrait-specific batch needs, though it lacks Gen-4 Image's multi-reference flexibility.
⚖️ How Runway Gen-4 Image Compares
Runway Gen-4 Image stands out among JAI Portal's image editing models for its unique multi-reference tagging system, which allows users to upload up to three reference images and control exactly how each influences the final output. This makes it ideal for complex compositions where you need to blend specific subjects, styles, and backgrounds with surgical precision. In contrast, OpenAI GPT Image 2 Edit offers simpler prompt-based editing with a single reference image, making it better suited for straightforward modifications like object removal or color adjustments. If you're working specifically with portraits and need face-to-full-body transformations, FLUX 2 Face to Full Portrait provides specialized tools for that niche, though it lacks Gen-4 Image's flexibility for non-portrait scenes. For users seeking faster, lighter-weight editing with fewer setup steps, Bytedance Seedream v5 Lite Edit delivers quick results without the reference tagging complexity, though at the cost of granular control. Gen-4 Image's combination of 15–30 second generation times, five aspect ratio options, and dual resolution support makes it the go-to choice for marketing teams, designers, and content creators who need professional-grade, highly customizable visuals. If you're unsure which model fits your workflow, try comparing outputs side-by-side using JAI Portal's model comparison tool, or sign up at jaiportal.com/auth/signup to test Gen-4 Image with pay-as-you-go credits.

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