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Physical AI
Overview Index
Defining Physical AI From Specialist to Generalist What are RFM & VLA? The Action Data Scaling Problem
Physical vs Cognitive Intelligence VLA & RFM Progress Humanoid Design The Need for Tactile Sensing Do Scaling Laws Apply to Robotics? Teleoperation Approach Limitations of VLM Backbone, Can World Models Be the Solution? Simulation & World Models Non-Teleop Data Collection Community-Driven Approach
Physical AI - The Age of Physical Intelligence is Coming
📋 VLA Models ACT (Action Chunking with Transformers) CraftNet Diffusion Policy Eagle (NVIDIA Eagle VLM) FAST (Fast Action Tokenizer) Figure Helix Gemini Robotics Generalist GEN-0 GR00T (Project GR00T) GR00T N1 GR00T N1.5 GR00T N1.6 GR00T-Dreams (DreamGen) LBM (Large Behavior Model) NVIDIA Cosmos (World Foundation Model) Octo OpenVLA Pi Series (Physical Intelligence) Pi*0.6 (pi-star-zero-point-six) Pi0 (pi-zero) Pi0.5 (pi-zero-point-five) Redwood AI (1X Technologies) RT (Robotics Transformer) SmolVLA Sunday ACT-1
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📋 Robot Hardware
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ANYbotics ANYmal Boston Dynamics Spot Unitree Quadrupeds
ALOHA Franka Emika Panda Franka Research 3 (FR3) Galaxea Arms (A1/A1X/A1Y) Interbotix / WidowX Kinova Robotics Koch v1.1 LeRobot Arms (SO-100/SO-101) UFACTORY xArm Series Universal Robots Series
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Mobile ALOHA
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Knowledge Base / Physical AI / Essays / The Need for Tactile Sensing

The Need for Tactile Sensing

Why robots need tactile sensing and the challenges of implementation

Is Tactile Sensing Necessary?

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Current Challenges in Implementing Tactile Sensing

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What’s Possible Without Tactile Sensing

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Tasks That Require Tactile Sensing

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Research Trends

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See Also

  • Physical vs Cognitive Intelligence
  • Humanoid Design

See Also

  • Physical vs Cognitive Intelligence
  • Humanoid Design
Written by Jong Hyun Park
Last edited by Jong Hyun Park January 15, 2026
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Contents

Is Tactile Sensing Necessary? Current Challenges in Implementing Tactile Sensing What’s Possible Without Tactile Sensing Tasks That Require Tactile Sensing Research Trends See Also
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