UNO is a project by ByteDance introduced in 2025, titled “A Universal Customization Method for Both Single and Multi-Subject Conditioning.” It suggests a framework for image (or more general generative) modeling where the model can be conditioned either on a single subject or multiple subjects — which may correspond to generating or customizing images featuring specific people, styles, or objects, possibly with fine-grained control over subject identity or composition. Because the project is new (see activity logs for 2025), it seems to aim at bridging between single-subject customization and multi-subject generation in generative modeling — potentially useful for personalized content creation, flexible composition, or controlled generation tasks. UNO likely offers tools to fine-tune or condition generation models so that they can incorporate novel subjects, enabling users to produce custom outputs beyond standard training distribution.
Features
- Universal conditioning mechanism supporting both single-subject and multi-subject input for generation models
- Ability to customize generation outputs based on provided subject identity, attributes, or reference data
- Flexibility to generate complex compositions involving multiple subjects in a single output
- Open-source framework enabling researchers and developers to integrate conditioning into their own generative pipelines
- Support for evaluation, training, and fine-tuning workflows (as indicated by ongoing issues around multi-subject support, evaluation code, GPU training, etc.)
- Potential compatibility with modern generative-model toolkits (e.g. diffusion models, image-generation pipelines) for subject-aware content creation