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Stable Diffusion

Stable Diffusion is an open-source image generation model known for its speed, flexibility, and support for custom styles and workflows. Ideal for rapid iteration, fine-tuning, and community-driven creativity.

Stable diffusion 3.5-Large

Stable Image Ultra

SD3.5-Medium

SD3.5-Large Turbo

Stable Image Core

Drop your idea — let the magic begin! ✨
Generate0

Stable Image Generation Models

Stable output with a focus on structure and visual completeness

The Stable Image model family focuses on structural stability, material quality, and overall image completeness. During text-to-image generation, results are more consistent across iterations, making it well suited for workflows that require gradual refinement.

Stable Diffusion AI Image Generation
Stable Diffusion Online

Stable Image Ultra

Prioritizing realism and final image quality

Stable Image Ultra places greater emphasis on fine detail, realistic materials, and lighting transitions. Its outputs are closer to production-ready results, making it suitable for presentation visuals, product images, and design deliverables that require high completion quality.

SD3.5-Large

Strong prompt understanding and structural consistency

SD3.5-Large delivers reliable performance in complex prompt interpretation and layout control. It is well suited for tasks that require clear composition, subject relationships, or scene logic, with consistent results across multiple iterations.

Stable Diffusion AI Platform
Stable Diffusion Image Creator

Multi-model creative workflow

Models for different creative stages

SD3.5-Large is better suited for early-stage exploration and composition planning, while Stable Image Ultra works best for refinement and high-quality final output. Models can be switched flexibly depending on the creative stage.

From exploration to final output, covering different stages of image creation

Stable output for a wide range of practical use cases

Stable Diffusion AI image generation

Concept design and visual direction exploration

Ideal for quickly generating multiple compositions and styles in early project stages, supporting visual exploration, concept validation, and creative discussion.

Stable Diffusion Online

Content visuals and everyday design

Ideal for article images, social content, and marketing visuals, improving production efficiency while maintaining visual consistency.

Stable Diffusion

Presentation-ready and final output

Suitable for product visuals, brand imagery, and campaign key visuals where higher image completeness and material quality are required.

How to use Stable Image models on Rita

By choosing the appropriate model and refining prompts step by step, you can improve image quality while maintaining structural consistency.

Stable Diffusion AI Service

Step 1: Choose a model and describe your idea

Select Stable Image Ultra or SD3.5-Large based on your creative needs, and clearly describe the subject, scene, and style.

Stable Diffusion image AI generator

Step 2: Generate

After generation, images are rendered in the cloud. Different models prioritize detail or generation speed.

Stable Diffusion AI Art Generator

Step 3: Select and iterate

Choose a suitable result or refine the prompt to iterate toward your target visual outcome.

FAQ

What is the main advantage of the Stable Image models?

They emphasize structural stability and controllability, making them well suited for text-to-image workflows that require iterative refinement.

What’s the difference between Stable Image Ultra and SD3.5-Large?

SD3.5-Large is better for early exploration and direction setting, while Stable Image Ultra focuses on refinement and high-completion outputs.

What use cases are Stable Image models best for?

Suitable for concept design, content visuals, product imagery, and brand presentations that require stability and control.

Can I use the generated images commercially?

Yes. Generated images can be used for marketing materials, content visuals, and product imagery. Please ensure you have the legal rights to any input materials and comply with copyright and portrait-rights regulations.

Are Stable Image models free to use?

A free quota is available to try the Stable Image models. For higher usage or deeper workflows, additional quota can be unlocked via subscription.

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