<h1 id="ecocoro-preview-1">Ecocoro Preview 1</h1><p>Ecocoro is an image generation full-finetuned model based on black-forest-labs/FLUX.2-klein-base-4B.</p><p>Ecocoro is designed for generating expressive illustrations and anime-style images from text prompts while preserving the flexibility and accessibility of the FLUX.2 klein 4B family.</p><p></p><h1 id="using-with-comfyui">Using with ComfyUI</h1><p>This section explains how to use the model with ComfyUI.</p><p>First, prepare an environment where you can run <code>black-forest-labs/FLUX.2-klein-base-4B</code> by following the guide below:</p><p></p><p><a rel="ugc" href="https://docs.comfy.org/tutorials/flux/flux-2-klein">ComfyUI Flux.2 Klein 4B Guide</a></p><p></p><p>Next, download the model. Or you can download the BF16 model.</p><p>After downloading it, place the model file in ComfyUI’s <code>diffusion_models</code> folder.</p><p>Then, select <code>ecocoro-preview-1.safetensors</code> instead of <code>flux-2-klein-base-4b-fp8.safetensors</code>. Once this is done, the setup is complete.</p><p>Change the prompt as follows:</p><pre><code>recent, highreso, 1girl, solo, close-up, brown hair, blue eyes, white T-shirts, ahoge, looking at viewer, blue background, simple background</code></pre><p>After that, run the workflow to generate an image.</p><p>Please adjust inference settings such as resolution, number of steps, guidance scale, and random seed depending on your environment and desired output style.</p><ul><li><p>Recommended Settings</p></li><li><p>Resolution: 1024 x 1024</p></li><li><p>Steps: 20 to 50</p></li><li><p>Guidance scale: 3.0 to 4.5</p></li><li><p>Precision: bfloat16 where supported</p></li></ul><p>These values are only starting points. Different prompts and workflows may benefit from different settings.</p><p></p><h2 id="prompting">Prompting</h2><p>Ecocoro adopts the prompting conventions of <code>circlestone-labs/Anima</code>. It supports Danbooru-style tags, natural language captions, and mixed prompts.</p><p>Recommended tag order:</p><p><code>[period/safety tags/highreso] [subject count] [general tags]</code></p><p>Natural language descriptions can be combined freely with tags. Clear descriptions of appearance, pose, composition, clothing, background, and style usually produce better results than very short prompts.</p><p></p><h1 id="model-details">Model Details</h1><ul><li><p>Model name: Ecocoro Preview 1</p></li><li><p>Base model: black-forest-labs/FLUX.2-klein-base-4B</p></li><li><p>Model type: Text-to-image generation model</p></li><li><p>Primary use: Illustration and anime-style image generation</p></li><li><p>License: Apache 2.0</p></li></ul><p></p><h2 id="base-model">Base Model</h2><p>Ecocoro is built on top of FLUX.2 klein base 4B, a compact image generation and editing model released by Black Forest Labs.</p><p></p><h1 id="intended-use">Intended Use</h1><p>Ecocoro is intended for generating anime-style and illustration-style images from text prompts.</p><p>Possible use cases include creative prototyping, character design, scene visualization, concept art, research, and experimentation with image generation workflows.</p><p></p><h1 id="limitations">Limitations</h1><p>Ecocoro may produce incorrect anatomy, hands, text, symbols, or small details.</p><ul><li><p>It may misinterpret complex prompts or spatial relationships.</p></li><li><p>It may generate inconsistent character details across multiple images.</p></li><li><p>It may reflect biases inherited from the base model and training process.</p></li><li><p>It may produce lower-quality results for prompts far outside its intended illustration-oriented use cases.</p></li></ul><p>Users should review generated outputs carefully before publication or commercial use.</p><p></p><h1 id="ethical-considerations">Ethical Considerations</h1><p>Please use this model responsibly.</p><p>Do not use Ecocoro to generate illegal, harmful, deceptive, harassing, or non-consensual content. Users are responsible for ensuring that generated images comply with applicable laws, platform policies, and the rights of third.</p><p></p><h1 id="origin-of-ecocoro">Origin of Ecocoro</h1><p>The name Ecocoro is inspired by the Japanese word egokoro, meaning an artistic sense or a feel for drawing. The name combines E and cocoro, suggesting both image-making and heart in a form that is easy to pronounce globally.</p><p></p><h2 id="license">License</h2><p>This model is licensed under the Apache License, Version 2.0.</p><p>See the LICENSE file for details.</p><p>Copyright 2026 Yasunori Ozaki</p><p></p><h1 id="acknowledgements">Acknowledgements</h1><p>Ecocoro is based on black-forest-labs/FLUX.2-klein-base-4B by Black Forest Labs.</p><p></p><h1 id="contact">Contact</h1><p>If you would like to discuss ways to reduce potential risks associated with using this model, please contact:</p><p><a target="_blank" rel="ugc" href="mailto:yasunori.ozaki@outlook.com">yasunori.ozaki@outlook.com</a></p>

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