How to Use CFG Scale in Stable Diffusion for Creative Image Generation


Stable Diffusion, a powerful AI image generation model, is equipped with a unique parameter known as the CFG scale, short for ‘Classifier-Free Guidance’ scale. This scale plays a crucial role in determining how closely the output image matches the specified text prompt or input image. In this article, we’ll delve into the intricacies of the CFG scale, understand its effects on image generation, explore typical values, and provide a step-by-step guide to using it to achieve the results you want.

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What is CFG Scale?

The CFG shell is a key component within Stable Diffusion and serves as a guiding force for the AI ​​during the image generation process. It essentially controls the balance between fidelity to the given prompt and the level of creativity poured into the generated image. By manipulating the CFG scale, users can tailor the output to their preferences, ranging from fine-tuning the prompt to embracing a more abstract and creative output.

How CFG Scale Affects Generation

Understanding the impact of the CFG scale is crucial to achieving the desired results. Here’s a simplified breakdown:

  1. Higher CFG scale: The output image closely matches the specified prompt, emphasizing accuracy and compliance.
  2. Lower CFG scale: The image generated shows higher quality and creativity, albeit with the potential to deviate further from the original question.

As with many creative processes, there is a trade-off between fidelity to the prompt and the diversity or quality of the image generated. Finding the right balance is the key to unleashing the full potential of stable diffusion.

Typical CFG scale values

To facilitate users in navigating the CFG scale, Stable Diffusion provides predefined values ​​to suit different preferences and requirements. These values ​​can be broadly categorized as follows:

Standard: 7

Low: 1-4 (ideal for promoting high creativity)

Medium: 5-12 (balance between quality and rapid compliance)

High: 13-20 (strictly stick to the prompt)

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A sweet spot often falls within the range of 7-11, offering a harmonious blend of creative freedom and quick loyalty. Users can experiment by adjusting the CFG scale lower for abstract art or higher for generating realistic images that closely match a detailed prompt.

How to use CFG scale in stable diffusion

Implementing the CFG shell in steady-state diffusion is a simple process. Most interfaces include an easy-to-use CFG scale slider. Here’s a step-by-step guide:

  1. Enter your text prompt: Clearly formulate the description or input for the image generation process.
  2. Locate the CFG scale slider: Usually placed on the right side of the interface for easy access.
  3. Move the slider to check compliance: Shift to higher values ​​for better compliance or to lower values ​​for more creativity.
  4. Generate images and observe effects: Run the image generation process and see how the CFG scale affects the output.
  5. Adjust the CFG scale until you are satisfied: Refine the CFG scale based on the observed effects, aiming for the desired balance between fast matching and creative output.

It is recommended that you start with the default CFG scale of 7 and gradually experiment with different values ​​for each prompt so that you gain a nuanced understanding of how the CFG scale affects results.


By mastering the CFG scale, users can exert greater control over Stable Diffusion’s image generation capabilities. By experimenting with different CFG values, users can unlock a spectrum of creative possibilities while maintaining the desired level of compliance with the given cues. Take the time to explore and play with CFG scaling, discover the nuances of this parameter, and refine your skills in creating unique and compelling images with Stable Diffusion.

🌟 Do you have burning questions about a “CFG Scale Stable Diffusion”? Do you need some extra help with AI tools or something else?

💡 Feel free to email Pradip Maheshwari, our expert at OpenAIMaster. Send your questions to and Pradip Maheshwari will be happy to help you!

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