ByteDance has quietly launched an image generation tool called InfiniteYou (InfU). Simply put, it's a text-to-image generation model that excels at generating high-quality images incorporating your personal identity features based on your text descriptions.

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This is far more advanced than simple face-swap apps. It focuses on precisely preserving your identity features while flexibly changing scenes and content. Imagine easily generating photos of yourself walking on the moon in a spacesuit or traveling back in time in ancient clothing – and it's still undeniably you! Pretty cool, right?

InfiniteYou” achieves this through a powerful combination of techniques.

  • Core Weapon: InfuseNet. The heart of “InfiniteYou” is a secret weapon called InfuseNet. It cleverly injects your identity features into advanced image generation models like Diffusion Transformer (DiT) (e.g., FLUX). InfuseNet acts like a skilled makeup artist, using "residual connections" to subtly enhance facial similarity without compromising the original generation capabilities.
  • Multi-Stage Training: Refinement is Key.InfiniteYou” wasn't built overnight. It underwent rigorous pre-training and supervised fine-tuning (SFT) using synthetic single-person multi-sample (SPMS) data. This refined training strategy significantly improves text-image alignment, ensuring the generated images accurately reflect your text description while also enhancing image quality and aesthetics and effectively mitigating the common "face pasting" artifacts seen in face-swapping.
  • Dual Model Approach: Different Strengths. ByteDance thoughtfully released two model versions: aes_stage2 and sim_stage1. aes_stage2, fine-tuned in a second stage, offers better text-image alignment and aesthetics by default. If facial similarity is your priority, choose sim_stage1. It's like choosing a phone – one prioritizes camera quality, the other performance; there's something for everyone.

Comparative experiments show that “InfiniteYou” surpasses existing state-of-the-art methods like FLUX.1-dev IP-Adapter and PuLID-FLUX in terms of identity similarity, text-image alignment, image quality, and aesthetics. Other methods often suffer from unrealistic faces, mismatches between text descriptions and images, poor image quality, or the aforementioned "pasted" facial features. “InfiniteYou” delivers a more comprehensive and superior performance.

Even more exciting is “InfiniteYou”'s plug-and-play capability. It seamlessly integrates with various FLUX.1-dev variants (like the more efficient FLUX.1-schnell), ControlNets, LoRAs, and other existing tools, offering enhanced control and customization. It can even be combined with IP-Adapter for personalized style transfer. This robust compatibility will undoubtedly contribute significantly to the broader community.

It's important to note that “InfiniteYou” is currently released under the Creative Commons Attribution-NonCommercial 4.0 International Public License and is for academic research purposes only. Downloading and using related models (such as InsightFace's face model, FLUX.1-dev base model, and LoRA) must comply with their original licenses. The developers also urge users to abide by local laws and regulations and to use this technology responsibly to prevent any potential misuse.

Project Link: https://top.aibase.com/tool/infiniteyou