SD 3.5 Medium on AI Compare Hub
Stable Diffusion 3.5 Medium is Stability AI's accessible open-source AI image generator — a 2.5-billion-parameter model balancing quality and performance. Create high-quality images on consumer hardware with support for up to 2-megapixel resolution on AI Compare Hub.
What you can create
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Consumer-accessible creative projects
Generate quality images on standard consumer GPUs and laptops. SD 3.5 Medium requires just 9.9GB VRAM, making professional-grade AI image generation accessible without expensive hardware investments.
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Varied artistic styles and illustrations
Create artwork spanning photorealistic imagery, illustration, 3D renderings, line art, and digital paintings. SD 3.5 Medium supports diverse styles and creative directions.
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Customizable and fine-tunable generation
As an open-source model, SD 3.5 Medium can be fine-tuned, customized with LoRA adapters, and integrated into personal projects. Creators can adapt the model for specific aesthetics or specialized domains.
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Resolution-flexible generation up to 2 megapixels
Generate images from 0.25 to 2 megapixel resolution depending on your needs. Progressive training through various resolutions (256→512→768→1024→1440) ensures quality across the full range.
Why creators choose SD 3.5 Medium
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2.5-billion parameters with MMDiT-X architecture
SD 3.5 Medium uses an improved Multimodal Diffusion Transformer (MMDiT-X) with 2.5 billion parameters. The architecture includes self-attention modules in the first 13 layers, enhancing multi-resolution generation and overall coherence.
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Runs on consumer GPUs with minimal requirements
SD 3.5 Medium requires only 9.9GB VRAM (excluding text encoders), making it compatible with most consumer GPUs including budget-friendly options. System requirements of 16GB RAM and 15GB storage are achievable on standard computers.
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Up to 2-megapixel resolution support
SD 3.5 Medium generates images up to 2 megapixels, significantly higher than earlier Stable Diffusion versions. The model supports flexible aspect ratios and progressive training enables high-quality generation at diverse resolutions.
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Improved image quality and coherence
Despite its smaller size compared to SD 3.5 Large, Medium delivers impressive image quality. Query-Key Normalization stabilizes training, and MMDiT-X architecture improvements enhance multi-resolution generation and visual coherence.
How to generate your first image
- Write your prompt. Describe what you want to create with clear detail. SD 3.5 Medium responds well to specific prompts. Include style references, mood, composition details, and any special requirements.
- Configure your settings. Select your desired resolution (0.25-2 megapixels), aspect ratio, and generation parameters. For optimal results, use a CFG value of 3-4, and adjust guidance scale and seed for variations.
Common questions
What is Stable Diffusion 3.5 Medium?
Stable Diffusion 3.5 Medium is Stability AI's 2.5-billion-parameter text-to-image model released October 2024. It's designed to run "out of the box" on consumer hardware, balancing photorealism and quality with accessibility. MMDiT-X architecture enables multi-resolution generation up to 2 megapixels with minimal resource requirements.
What are the hardware requirements for SD 3.5 Medium?
SD 3.5 Medium requires minimum 8GB VRAM (12GB+ recommended), 16GB system RAM, and approximately 15GB storage. Modern gaming GPUs like NVIDIA RTX 3060 or similar can run the model effectively. The modest requirements make it accessible for creators with budget-friendly hardware.
How does SD 3.5 Medium compare to SD 3.5 Large?
SD 3.5 Large (8.1B parameters) delivers superior quality and speed but requires more resources. SD 3.5 Medium (2.5B parameters) is more accessible, runs on consumer hardware, and still delivers strong results. Choose Medium for accessibility; choose Large for maximum quality.
How can you use SD 3.5 Medium on AI Compare Hub?
To generate images with SD 3.5 Medium on AI Compare Hub, click the "SD 3.5 Medium" button at the top of this page. Type your prompt, configure your resolution and settings, and generate in seconds. You can also compare SD 3.5 Medium side-by-side with other leading AI image models — all in one place, for free.
Key Parameters
- Category: Image
- Released: October 2024
- Text-to-Image generation supported
- Processing speed: medium
For the Use of This Model
The Stable Diffusion 3.5 Medium model by Stability AI is a general-purpose image generation model, designed to balance efficiency and output quality. Before you use it on AI Compare Hub, please keep in mind:
- Use responsibly. Do not create or share content that is harmful, misleading, or that violates others’ rights. You are responsible for the prompts you submit and how you use the outputs.
- Outputs & responsibility. You control the images you generate here. Stability AI’s Community License makes clear that, as between you and Stability AI, you own your outputs (to the extent permitted by law). However, Stability AI may use your inputs and outputs as needed to operate and improve its services. You must also ensure compliance with copyright, privacy, and other applicable laws.
- Balanced design. Stable Diffusion 3.5 Medium is tuned for practical, cost-effective image generation, offering strong prompt adherence at a smaller compute footprint. Output quality may still vary depending on prompt detail and complexity.
- No guarantees. Outputs are generated probabilistically and may not always match your intent. The model and this service are provided “as is” without warranties.
- Terms of use. Your use of this model is governed by Stability AI’s Terms of Service and the Stability AI Community License.
- Restrictions reminder. The provider’s terms prohibit certain uses, including using outputs to train or build competing AI foundation models, violating export controls, or engaging in unlawful or abusive activity.
Your use of this feature is also subject to this site’s Terms of Service.
Try SD 3.5 Medium on AI Compare Hub
Generate with SD 3.5 Medium directly on AI Compare Hub. Compare results side by side with other leading AI models using the same prompt.