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Let's GoHunyuan Motion
- HY-Motion 1.0
- HY-Motion
byTencent Hunyuan 3D Digital Human Team
Generate physics-aligned 3D humanoid skeletal animations and export ready-to-rig motion capture sequences directly into your game engine
How Hunyuan Motion works
From natural language prompt to production-ready skeletal data in three straightforward steps.
Describe the kinetic sequence
Write natural language describing the actor's actions, pacing, and emotional style in English or Chinese.
Set duration and guidance
Select a timeline between 0.5 and 12 seconds and fine-tune guidance scale to balance prompt fidelity with natural physics.
Export standard skeletal FBX
Download physics-aligned SMPL skeleton animation data ready for instant retargeting in Unreal Engine, Unity, Blender, or Maya.
What Hunyuan Motion is good at
Built on a billion-parameter Diffusion Transformer with Flow Matching and reinforcement learning, delivering physics-grounded skeletal kinetics without manual keyframing.
Physics-Aligned Skeletal Kinetics
Reinforcement learning optimizes organic inertia, clean weight transfers, and biological momentum to minimize robotic stiffness across bipedal movements.
Bilingual Prompt Comprehension
A dual CLIP and Qwen-3-8B text encoder pipeline interprets complex multi-stage kinetic instructions accurately in both English and Chinese.
Configurable Timeline Duration
Generate focused animations from 0.5-second reactive flinches up to 12-second continuous physical routines with customizable pacing.
Direct Engine Retargeting
Outputs standard humanoid SMPL and SMPLH bone hierarchies at 30 frames per second, ready for immediate retargeting onto custom character meshes.
Made with Hunyuan Motion
Explore generated motion captures spanning athletic acrobatics, combat choreography, subtle emotional gestures, and natural bipedal locomotion.
Action choreography with sharp kinetic follow-through
Subtle emotional mannerisms and expressive gestures
Acrobatic rotation with physics-grounded landing impact
Character locomotion with realistic weight distribution
Athletic agility and rapid directional weight shifts
What people build with Hunyuan Motion
Game studios, VFX animators, and digital artists rely on text-to-motion generation to accelerate character animation pipelines and rapid pre-visualization.
Frequently Asked Questions
Yes, HY-Motion 1.0 is the official technical designation for Hunyuan Motion, developed by Tencent's Hunyuan 3D Digital Human Team. It refers to the open-source, billion-parameter Diffusion Transformer model trained on over 3,000 hours of skeletal motion data.
The model outputs 3D motion animations exported natively as FBX files running at 30 frames per second. Output skeletons adhere to standard SMPL and SMPLH bone naming hierarchies, allowing seamless retargeting onto custom humanoid character meshes in Unreal Engine, Unity, Blender, or Maya.
Hunyuan Motion excels at generating solo bipedal humanoid locomotion, athletic sequences, combat choreography, and expressive physical gestures. For best results, structure prompts using an Action + Style + Emotion + Tempo formula that focuses strictly on skeletal kinematics rather than environmental surroundings.
The model is restricted to single humanoid actors and cannot generate quadrupedal animals, multi-character contact choreography, or physical interactions with external objects like climbing ladders. In addition, hand animations capture overall wrist and arm motion without localized finger articulation.
Duration can be set between 0.5 and 12 seconds—use 2 to 4 seconds for simple actions and 6 to 10 seconds for multi-stage sequences to prevent unnatural slow-motion or clipping. A guidance scale of 5 to 7 offers the best balance between prompt adherence and fluid physical momentum.
Try Hunyuan Motion on Fuser
Generate physics-aligned 3D humanoid skeletal animations and export ready-to-rig motion capture sequences directly into your game engine