Tencent Open-Sources Hunyuan 3D 2.1 Model at CVPR 2025
At the prestigious CVPR 2025 conference, Tencent made waves by open-sourcing its Hunyuan 3D 2.1 model, setting a new benchmark for industrial-grade 3D generation technology. This release represents the first full-chain open-source solution of its kind, offering developers unprecedented access to cutting-edge tools.
The model has already gained substantial traction, with over 1.8 million downloads on Hugging Face. Early adopters report remarkable improvements in output quality—when fed an image of a jewelry box, the system generates detailed 3D models with lifelike textures and accurate lighting effects. These capabilities prove invaluable for industries ranging from game development to virtual product showcases.
What sets version 2.1 apart? The upgrade delivers two major breakthroughs:
- Enhanced geometric generation with superior mesh precision and topological consistency
- New PBR material generation that eliminates artificial "plastic" appearances
In blind tests, the model's physically-based rendering textures achieved a 78% preference rate over alternatives. This realism meets Hollywood-grade production standards while serving practical needs in industrial design and digital twin applications.
Tencent has removed traditional barriers to adoption through comprehensive open-sourcing:
- Full access to model weights and training code
- Detailed data processing workflows
- Compatibility with consumer-grade GPUs
The company provides extensive documentation through GitHub and dedicated portals:
This strategic move empowers both academic researchers and commercial developers to build upon Tencent's work, potentially accelerating innovation across multiple industries.
Key Points
- First full-chain open-source industrial 3D generation model
- Demonstrates 78% preference rate in PBR texture quality tests
- Optimized for consumer hardware with detailed deployment guides
- Applications span gaming, film production, and e-commerce visualization