Flux 1 ComfyUI Local Installation Guide - The Best AI Image Model Of The Year?

Future Thinker @Benji
4 Aug 202410:10

TLDRExplore the groundbreaking Flux AI One model suite by Black Forest Labs, a state-of-the-art text-to-image model that redefines image synthesis with unmatched detail and style diversity. Flux One offers three variants: Pro for top-tier image generation, Dev for non-commercial applications, and Schnell for fast local development. With a hybrid architecture and advanced techniques, Flux surpasses popular models in visual quality and output diversity. Learn how to install Flux in Comfy UI, and witness the impressive results in AI image generation, setting a new standard in the field.

Takeaways

  • 😲 The Flux.one model suite by Black Forest Labs is a breakthrough in generative AI, offering high-quality image synthesis from text prompts.
  • 🔍 Flux.one includes three variants: Pro for top-tier image generation, Dev for non-commercial applications, and Schnell for fast local development.
  • 🤖 Flux models use a hybrid architecture with 12 billion parameters, incorporating advanced techniques for improved performance and efficiency.
  • 🏆 In benchmarks, Flux surpasses popular models like Midjourney, DALL-E 3, and SD3 Ultra in visual quality, prompt adherence, and output diversity.
  • 💻 To run Flux in ComfyUI, you need specific T5 XXL and CLIP models, with options for different hardware capabilities (fp16 or fp8).
  • 📁 The installation process involves placing the T5 XXL and CLIP models in the ComfyUI models clip folder, and the VAE file in the vae folder.
  • 🔗 The Flux model files should be downloaded and placed in the ComfyUI models unet folder, not in the checkpoint folder as with previous models.
  • 🚀 Black Forest Labs is also developing a suite of generative text-to-video systems for high-definition and rapid video creation.
  • 👀 For those with lower-end GPUs, online demo pages are available for trying out Flux, such as on Hugging Face Spaces.
  • 🎨 The generated images by Flux show improved details, anatomy, and facial expressions compared to previous models like Stable Diffusion.
  • 🔧 The latest versions of ComfyUI include custom nodes and a new sampler for the Flux models, enhancing the image generation workflow.
  • 🌟 Flux.one is considered a strong contender for the best AI image model of the year, with high expectations for upcoming AI video models.

Q & A

  • What is Flux One and what makes it a breakthrough in generative AI?

    -Flux One is a suite of state-of-the-art text-to-image models developed by Black Forest Labs. It is groundbreaking due to its unmatched image detail, prompt adherence, and style diversity, allowing for the generation of complex and visually stunning scenes from text prompts.

  • What are the three variants of Flux One models?

    -The three variants of Flux One are Flux One Pro, which offers top-of-the-line image generation; Flux AI Art One Dev, an openweight model for non-commercial applications; and Flux One Schnell, the fastest variant ideal for local development and personal use.

  • What is the technical architecture of Flux models?

    -Flux models feature a hybrid architecture combining multimodal and parallel diffusion Transformer blocks, scaled to 12 billion parameters. They incorporate advanced techniques like flow matching, rotary positional embeddings, and parallel attention layers to boost performance and efficiency.

  • How does Flux One perform in benchmarks compared to other popular models?

    -In benchmarks, Flux One surpasses popular models like Mid Journey 6 D E3 and SD3 Ultra, setting new standards in visual quality, prompt following, and output diversity.

  • What is the significance of the team behind Flux One in terms of their background?

    -The team behind Flux One is the original team behind Stable Diffusion, which indicates their expertise and potential to make a significant impact in the market, as evidenced by their successful fundraising of 31 million from seed investors.

  • What are the system requirements for running the T5 XXL and CLIP models in Comfy UI?

    -For running the T5 XXL and CLIP models, if you have a high-end GPU with 24 GB VRAM and above 32 GB RAM, you can use the fp16 versions. For lower GPU hardware, it is suggested to use the T5 XXL fp8 models, which require less hardware performance but may result in lower image quality.

  • How does one integrate the VAE file into the Comfy UI setup?

    -The VAE file, named 'AES sft', should be downloaded and placed in the 'Comfy UI models vae' folder. This integration is part of the process to support Flux diffusion models in Comfy UI.

  • What changes are made to the model file placement compared to previous versions of Stable Diffusion?

    -Unlike previous versions of Stable Diffusion where checkpoint models were placed in separate folders, Flux model files are now placed directly in the 'Comfy UI models unet' folder.

  • What are the options for users who do not have a high-end GPU or sufficient VRAM to run Flux models?

    -For users with lower-end GPUs or insufficient VRAM, there are online demo pages available for running Flux models, such as on Hugging Face, which can provide an alternative way to experience Flux's capabilities.

  • What are some of the improvements in image generation observed with Flux One compared to Stable Diffusion 3?

    -Flux One shows significant improvements in hand generation, with no extra fingers, and overall better human body anatomy, facial expressions, and details. It also performs better in generating cinematic and futuristic styles with more natural and accurate depictions.

  • What are the new custom nodes added to the latest versions of Comfy UI for Flux models?

    -The new custom nodes added include the Sampler Custom Advance, which by default uses the 'Oiler' sampling method, and the VAE loading for the AES sft files, which are part of the updated text-to-image workflow for Flux models.

Outlines

00:00

🌟 Introduction to Flux One: Generative AI Breakthrough

This paragraph introduces Flux One, a groundbreaking suite of generative AI models developed by Black Forest Labs. Flux One is renowned for its exceptional image detail, prompt adherence, and style diversity, enabling the creation of complex and visually stunning scenes from text prompts. The suite includes three variants: Flux One Pro for high-end image generation, Flux One Dev for non-commercial applications, and Flux One Schnell for fast local development. The models are built on a hybrid architecture with 12 billion parameters, incorporating advanced techniques such as flow matching and parallel attention layers. The paragraph also mentions that Black Forest Labs is planning to release a text-to-video system. To use Flux in Comfy UI, specific models and files are required, and the paragraph provides guidance on which models to use based on the user's hardware capabilities.

05:01

🖼️ Exploring Flux One's Image Generation Capabilities and Setup

The second paragraph delves into the practical aspects of setting up and using Flux One for image generation. It discusses the process of downloading and installing necessary models and files, such as the T5 XXL and CLIP models, the vae file, and the Flux model files. The paragraph highlights the importance of having the right hardware to run the models efficiently and provides alternative options for those with lower-end GPUs, such as using online demo pages. The speaker also shares their experience with the models, noting improvements in hand and body generation compared to previous models like Stable Diffusion. The paragraph concludes with a demonstration of the text-to-image workflow in Comfy UI, showcasing the models' ability to generate high-quality images with accurate human anatomy and diverse styles.

10:02

🎵 Conclusion and Anticipation for Future AI Models

The final paragraph is a brief musical interlude, serving as a conclusion to the video script. It leaves the audience with a sense of anticipation for the future of AI models, particularly the upcoming AI video model from Black Forest Labs. The music sets a tone of excitement and forward-thinking, hinting at the potential advancements in the field of generative AI.

Mindmap

Keywords

Flux One

Flux One refers to a suite of state-of-the-art text-to-image models developed by Black Forest Labs. These models are highlighted for their ability to generate images with unmatched detail, prompt adherence, and style diversity from text prompts alone. In the video, Flux One is presented as a groundbreaking advancement in generative AI, setting new standards for image synthesis.

Generative AI

Generative AI is a branch of artificial intelligence focused on creating new content, such as images, music, or text, that is not simply replicating existing patterns but producing novel outputs. The video discusses Flux One as an example of generative AI, emphasizing its ability to create complex and visually stunning scenes.

Image Synthesis

Image synthesis is the process of creating or generating images from data, often using AI algorithms. The video script mentions Flux One's capabilities in image synthesis, showcasing its high-quality image generation from text descriptions, which is a key feature of the model suite.

Flux One Pro

Flux One Pro is the top-performing variant of the Flux One models, offering the highest level of image generation quality and diversity. It is positioned as the pinnacle of performance within the Flux One suite, as mentioned in the video.

Flux One Dev

Flux One Dev is an openweight model designed for non-commercial applications. It is intended for developers and researchers who require a powerful tool for image generation but without the commercial licensing restrictions. The video script describes it as suitable for those with hardware capable of running the model.

Flux One Schnell

Flux One Schnell is the fastest variant of the Flux One models, ideal for local development and personal use. It is available under an Apache 2.0 license, making it accessible for a wide range of users. The video mentions it as a model that can run on lower VRAM GPUs, albeit with longer processing times.

Comfy UI

Comfy UI is a user interface that has been updated to support Flux diffusion models. The video provides a guide on how to run Flux within Comfy UI, indicating that it is an essential tool for utilizing the Flux One models for image generation.

T5 XXL and CLIP L models

The T5 XXL and CLIP L models are components required to run the Flux models within Comfy UI. The video script explains that these models are necessary for the AI image generation process and that their versions (fp16 or fp8) depend on the user's hardware capabilities.

VQ-VAE

VQ-VAE, or Vector Quantized-Variational AutoEncoder, is a type of neural network used in generative models. In the context of the video, the VQ-VAE (referred to as 'vae') is a file that needs to be downloaded and placed in the Comfy UI models folder for the Flux models to function properly.

Flux Guidance

Flux Guidance is a feature within the latest versions of Comfy UI that assists in the image generation process. It is compared to the CFG (Control Flow Guidance) of Stable Diffusion, with the video script noting that it has a default value set lower than the CFG, affecting the generation process.

Human Character Images

The term 'human character images' refers to the AI-generated images of human characters with accurate body parts and expressions. The video script highlights the improved generation of such images by Flux One models, noting the absence of deformations and the natural depiction of features like hands and facial expressions.

Highlights

Flux One is a state-of-the-art text-to-image model suite by Black Forest Labs.

The model offers unmatched image detail, prompt adherence, and style diversity.

Flux One comes in three variants: Pro, Dev, and Schnell, each with unique features.

The models feature a hybrid architecture with 12 billion parameters.

Flux surpasses popular models like Mid Journey 6 D E3 and SD3 Ultra in benchmarks.

Black Forest Labs is developing a suite of generative text-to-video systems.

Comfy UI has been updated to support Flux diffusion models.

T5 XXL and CLIP models are required for running Flux in Comfy UI.

Different versions of T5 CLIP models are suggested based on GPU capabilities.

The VAE file is crucial and should be placed in the Comfy UI models VAE folder.

Flux model files should be downloaded and placed in the Comfy UI models UNET folder.

Flux Dev requires higher GPU capabilities for optimal performance.

Online demo pages for Flux are available for those with lower-end GPUs.

Flux models show improved hand and body anatomy in generated images.

Comfy UI's text-to-image workflow has been updated for Flux models.

New custom nodes have been added to Comfy UI for advanced image generation.

Flux One is considered a strong contender for the best AI image model of the year.

The speaker is looking forward to Black Forest Labs' upcoming AI video model.