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UBTECH Thinker-WM

UBTECH Thinker-WM

Thinker-WM 1.0 · Family: Thinker
World model from the UBTECH Thinker family: models the physical environment and predicts the outcomes of a robot action. Ranked first on the LIBERO benchmark.
✓ Active✓ Public access⚖ Open sourceWorld Model📁 Thinker
Deployment:📱 On-device☁ Cloud

Overview

UBTECH Thinker-WM is a world model from the Thinker family by UBTECH Robotics. It is the second tier of the three-layer Thinker stack and is used to model the physical environment and predict the outcomes of actions before a robot executes them.

Results and roadmap

Thinker-WM ranked first on the LIBERO benchmark for robot-manipulation policies (the exact score was not disclosed). UBTECH announced a next generation, Thinker-WM 2.0, for the second half of 2026. Architecture details and parameter counts have not been publicly disclosed.

Classification
World Model
Family: Thinker
Access & deployment
On-deviceCloud
Weights: Open source
Key parameters
📥 Input: image, video, robot sensors, robot state data
Robotics
Environment modelingSpatial predictionScene understanding3D scene reconstruction

Technical specification

License
Open source (deklaracja UBTECH; brak potwierdzonego publicznego repozytorium)
Hardware requirements
Not publicly disclosed. A world model in the cognitive layer of UBTECH humanoids (on-device and cloud inference).
Modalities
⬇ Input
imagevideorobot_sensorsrobot_state_data
⬆ Output
videomotion_trajectoriesrobot_actions

Capabilities and applications

Native model capabilities
World simulation
Model's ability to generate coherent, interactive simulations of physical environments — maintaining geometry, lighting, and physics during exploration.
Category: multimodal
Planning
Forming and executing action plans for complex tasks.
Category: planning
Multimodal understanding
Category: multimodal
Multi-step reasoning
Carrying out multi-step chains of reasoning across long, complex tasks.
Category: reasoning
Robotics
Environment modelingSpatial predictionScene understanding3D scene reconstruction

Benchmark results

1 benchmark
LIBERO
success rate · Ranked first (exact score not disclosed)
📄 kr-asia / 36Kr (English), sierpień 2026
Thinker-WM ranked first on LIBERO; UBTECH did not disclose a specific score.

Technical architecture