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NF4 - Flux.1

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Model Description by Creator

  1. NF4 and FP8 Checkpoints:

    • NF4 Checkpoint (flux1-dev-bnb-nf4.safetensors): Optimized for performance with speed improvements ranging from 1.3x to 4x compared to FP8, depending on the GPU and software setup. NF4 is now the recommended format for most users with compatible GPUs (RTX 3XXX/4XXX series).

    • FP8 Checkpoint (flux1-dev-fp8.safetensors): Provided as an alternative for older GPUs that do not support NF4.

  2. Performance Improvements:

    • NF4 demonstrates faster inference speeds and reduced memory usage compared to FP8, making it highly efficient for image diffusion tasks.

    • The NF4 utilizes multiple tensor precisions (float32, float16, uint8, int4) to achieve higher numerical precision and dynamic range, outperforming FP8 in most scenarios.

  3. Distilled CFG Guidance:

    • Flux-dev now includes distilled model guidance, where CFG is recommended to be set at 1 with a new "Distilled CFG Guidance" feature set at 3.5 for optimal results. Negative prompts are discouraged in this setup.

Installation and Usage Instructions(ComfyUI):

NF4-BnB Node is now available at ComfyUI Manager. Need to select 'Channel: dev' in order to find it.

  • 1. Clone the Official Node:
    Clone the official ComfyUI NF4 Node repository into the custom_nodes folder using the following command:
    git clone https://github.com/comfyanonymous/ComfyUI_bitsandbytes_NF4.git

  • 2. Install Dependency:

    • Activate Virtual Environment(venv).

    • Install or update the bitsandbytes package with the following command:
      pip install -U bitsandbytes

  • 3. Update Requirement: Ensure your ComfyUI is up to date.

  • 4. Node Setup: Use the CheckpointLoaderNF4 node in your Flux workflow, replacing the regular checkpoint loader node.

    Workflow containing NF4 node included in post files. (.zip json - training data)

  • For ComfyUI Portable Version:

    • 1. Ensure your ComfyUI is up to date and that the NF4 Node is placed inside the custom_nodes directory.

    • 2. From the [comfy install dir] directory, run the following command to install the required packages:
      python_embeded\python.exe -m pip install -r ComfyUI\custom_nodes\ComfyUI_bitsandbytes_NF4\requirements.txt
      This command should be executed at the root of the ComfyUI directory for the portable version.


Compatibility: Users with older GPUs or specific setups (like GTX 10XX/20XX) are cautioned to use the FP8 checkpoint, as their devices may not support NF4. Additionally, loading FP8 checkpoints with NF4 options can lead to unnecessary delays and reduced quality.

Credits to: lllyasviel

Images Generated With This Model

On the desolate and crater-pocked surface of the moon, beneath a sky strewn with a dazzling tapestry of stars, a titanic figure loomed. This massive robot, with limbs crafted from gleaming metal and joints that hummed with silent power, stood as a sentinel on the barren lunar landscape. Its colossal form was a marvel of engineering, the intricacies of its design visible in every rivet and panel that covered its body.

The robot's structure was nothing short of awe-inspiring—a fusion of advanced technology and surreal imagination. Its body was composed of a multitude of metallic plates, polished to a mirror-like finish, reflecting the vast emptiness of space. Powerful limbs extended from a broad torso, each arm and leg a testament to the precision and strength required to move in the low gravity of the moon.

But it was the head of the robot that truly captured attention—a gigantic glass dome, transparent and flawless, encasing a living world within. Inside this dome, nestled comfortably in a cozy, tastefully decorated dining room, was a couple seated at a finely set table. The soft, warm light of candles flickered gently, creating a stark contrast to the cold, dark expanse outside. The couple, seemingly oblivious to the immense scale of the robot that carried them, shared a meal together, their expressions calm and content.

Their surroundings inside the dome were surprisingly intimate, with plush chairs, a polished wooden table, and even a vase with a single, delicate flower standing in the center. The atmosphere within was peaceful, almost serene, as the couple engaged in quiet conversation, their voices inaudible from outside the glass.

Beyond the glass dome, the moon’s gray, dusty surface stretched out in all directions. In the far distance, a space station floated in the inky blackness, its lights twinkling like distant stars. The stars themselves, scattered across the vast canvas of space, provided a breathtaking backdrop, their cold light contrasting sharply with the warm glow inside the robot’s head.

Emblazoned across the broad chest of the robot, in bold, authoritative letters, were the words "Flux can do it!" The slogan was a declaration of confidence, a bold statement of capability that seemed to resonate in the stillness of the lunar landscape. The words were not just an inscription but a promise—a testament to the robot's strength and the ingenuity of those who created it.

This colossal being, with its fusion of technology and life, stood as both protector and vessel, carrying its human passengers across the silent, barren plains of the moon. As the couple inside continued their meal, the robot remained still, a giant among the stars, a beacon of human ingenuity and the boundless possibilities of the future.
On the desolate and crater-pocked surface of the moon, beneath a sky strewn with a dazzling tapestry of stars, a titanic figure loomed. This massive robot, with limbs crafted from gleaming metal and joints that hummed with silent power, stood as a sentinel on the barren lunar landscape. Its colossal form was a marvel of engineering, the intricacies of its design visible in every rivet and panel that covered its body. The robot's structure was nothing short of awe-inspiring—a fusion of advanced technology and surreal imagination. Its body was composed of a multitude of metallic plates, polished to a mirror-like finish, reflecting the vast emptiness of space. Powerful limbs extended from a broad torso, each arm and leg a testament to the precision and strength required to move in the low gravity of the moon. But it was the head of the robot that truly captured attention—a gigantic glass dome, transparent and flawless, encasing a living world within. Inside this dome, nestled comfortably in a cozy, tastefully decorated dining room, was a couple seated at a finely set table. The soft, warm light of candles flickered gently, creating a stark contrast to the cold, dark expanse outside. The couple, seemingly oblivious to the immense scale of the robot that carried them, shared a meal together, their expressions calm and content. Their surroundings inside the dome were surprisingly intimate, with plush chairs, a polished wooden table, and even a vase with a single, delicate flower standing in the center. The atmosphere within was peaceful, almost serene, as the couple engaged in quiet conversation, their voices inaudible from outside the glass. Beyond the glass dome, the moon’s gray, dusty surface stretched out in all directions. In the far distance, a space station floated in the inky blackness, its lights twinkling like distant stars. The stars themselves, scattered across the vast canvas of space, provided a breathtaking backdrop, their cold light contrasting sharply with the warm glow inside the robot’s head. Emblazoned across the broad chest of the robot, in bold, authoritative letters, were the words "Flux can do it!" The slogan was a declaration of confidence, a bold statement of capability that seemed to resonate in the stillness of the lunar landscape. The words were not just an inscription but a promise—a testament to the robot's strength and the ingenuity of those who created it. This colossal being, with its fusion of technology and life, stood as both protector and vessel, carrying its human passengers across the silent, barren plains of the moon. As the couple inside continued their meal, the robot remained still, a giant among the stars, a beacon of human ingenuity and the boundless possibilities of the future.
On the desolate and crater-pocked surface of the moon, beneath a sky strewn with a dazzling tapestry of stars, a titanic figure loomed. This massive robot, with limbs crafted from gleaming metal and joints that hummed with silent power, stood as a sentinel on the barren lunar landscape. Its colossal form was a marvel of engineering, the intricacies of its design visible in every rivet and panel that covered its body.

The robot's structure was nothing short of awe-inspiring—a fusion of advanced technology and surreal imagination. Its body was composed of a multitude of metallic plates, polished to a mirror-like finish, reflecting the vast emptiness of space. Powerful limbs extended from a broad torso, each arm and leg a testament to the precision and strength required to move in the low gravity of the moon.

But it was the head of the robot that truly captured attention—a gigantic glass dome, transparent and flawless, encasing a living world within. Inside this dome, nestled comfortably in a cozy, tastefully decorated dining room, was a couple seated at a finely set table. The soft, warm light of candles flickered gently, creating a stark contrast to the cold, dark expanse outside. The couple, seemingly oblivious to the immense scale of the robot that carried them, shared a meal together, their expressions calm and content.

Their surroundings inside the dome were surprisingly intimate, with plush chairs, a polished wooden table, and even a vase with a single, delicate flower standing in the center. The atmosphere within was peaceful, almost serene, as the couple engaged in quiet conversation, their voices inaudible from outside the glass.

Beyond the glass dome, the moon’s gray, dusty surface stretched out in all directions. In the far distance, a space station floated in the inky blackness, its lights twinkling like distant stars. The stars themselves, scattered across the vast canvas of space, provided a breathtaking backdrop, their cold light contrasting sharply with the warm glow inside the robot’s head.

Emblazoned across the broad chest of the robot, in bold, authoritative letters, were the words "Flux can do it!" The slogan was a declaration of confidence, a bold statement of capability that seemed to resonate in the stillness of the lunar landscape. The words were not just an inscription but a promise—a testament to the robot's strength and the ingenuity of those who created it.

This colossal being, with its fusion of technology and life, stood as both protector and vessel, carrying its human passengers across the silent, barren plains of the moon. As the couple inside continued their meal, the robot remained still, a giant among the stars, a beacon of human ingenuity and the boundless possibilities of the future.
On the desolate and crater-pocked surface of the moon, beneath a sky strewn with a dazzling tapestry of stars, a titanic figure loomed. This massive robot, with limbs crafted from gleaming metal and joints that hummed with silent power, stood as a sentinel on the barren lunar landscape. Its colossal form was a marvel of engineering, the intricacies of its design visible in every rivet and panel that covered its body. The robot's structure was nothing short of awe-inspiring—a fusion of advanced technology and surreal imagination. Its body was composed of a multitude of metallic plates, polished to a mirror-like finish, reflecting the vast emptiness of space. Powerful limbs extended from a broad torso, each arm and leg a testament to the precision and strength required to move in the low gravity of the moon. But it was the head of the robot that truly captured attention—a gigantic glass dome, transparent and flawless, encasing a living world within. Inside this dome, nestled comfortably in a cozy, tastefully decorated dining room, was a couple seated at a finely set table. The soft, warm light of candles flickered gently, creating a stark contrast to the cold, dark expanse outside. The couple, seemingly oblivious to the immense scale of the robot that carried them, shared a meal together, their expressions calm and content. Their surroundings inside the dome were surprisingly intimate, with plush chairs, a polished wooden table, and even a vase with a single, delicate flower standing in the center. The atmosphere within was peaceful, almost serene, as the couple engaged in quiet conversation, their voices inaudible from outside the glass. Beyond the glass dome, the moon’s gray, dusty surface stretched out in all directions. In the far distance, a space station floated in the inky blackness, its lights twinkling like distant stars. The stars themselves, scattered across the vast canvas of space, provided a breathtaking backdrop, their cold light contrasting sharply with the warm glow inside the robot’s head. Emblazoned across the broad chest of the robot, in bold, authoritative letters, were the words "Flux can do it!" The slogan was a declaration of confidence, a bold statement of capability that seemed to resonate in the stillness of the lunar landscape. The words were not just an inscription but a promise—a testament to the robot's strength and the ingenuity of those who created it. This colossal being, with its fusion of technology and life, stood as both protector and vessel, carrying its human passengers across the silent, barren plains of the moon. As the couple inside continued their meal, the robot remained still, a giant among the stars, a beacon of human ingenuity and the boundless possibilities of the future.
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A two panel meme page in an anime style. The left panel has a closeup of a console with two red buttons, next to the first button is written "Use flux but no lora" while next to the other button is written "Use Pony but no text". The right panel is a woman sweating as she hesitates to push one of the two buttons from the previous panel, her index is raised and she is looking down at the console with a wavy mouth and a tear of sweat is running down her face.
A two panel meme page in an anime style. The left panel has a closeup of a console with two red buttons, next to the first button is written "Use flux but no lora" while next to the other button is written "Use Pony but no text". The right panel is a woman sweating as she hesitates to push one of the two buttons from the previous panel, her index is raised and she is looking down at the console with a wavy mouth and a tear of sweat is running down her face.
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
amazing dragon head
amazing dragon head
surreal creek in the jungle
surreal creek in the jungle
surreal creek in the jungle
surreal creek in the jungle
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,
A dreamy girl, 25 years old walks through the expanses of the most beautiful universe, she is not afraid of them, they love her, she has green eyes and plump lips, pale skin, dark hair, beautiful volumetric light, the rays of God, the galaxy, the milky way, perfect concept of color and light, wonderful composition of the frame, mystery and inspiration, background inspired, intricate, detailed, very inspirational, colorful, amazing quality, deep colors, optimistic, mystical, cute, enhanced, glowing, rich dramatic cinematic atmosphere, excellent scenic, dynamic,

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