MuJoCo Playground
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Abstract (arXiv)
We introduce MuJoCo Playground, a fully open-source framework for robot learning built with MJX, with the express goal of streamlining simulation, training, and sim-to-real transfer onto robots. With a simple "pip install playground", researchers can train policies in minutes on a single GPU. Playground supports diverse robotic platforms, including quadrupeds, humanoids, dexterous hands, and robotic arms, enabling zero-shot sim-to-real transfer from both state and pixel inputs. This is achieved through an integrated stack comprising a physics engine, batch renderer, and training environments. Along with video results, the entire framework is freely available at playground.mujoco.org
Key facts. Cited by 57 papers in the map (data through 7 Oct 2026). First posted on arXiv 12 Feb 2025.
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Citing papers per year: 2025: 26; 2026: 31.
57 papers.
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- 2025Flow Matching Policy Gradientscited by 86
- 2026PointWorld: Scaling 3D World Models for In-The-Wild Robotic Manipulationcited by 74
- 2026ASPIRE: Agentic /Skills Discovery for Roboticscited by 44
- 2025FastTD3: Simple, Fast, and Capable Reinforcement Learning for Humanoid Controlcited by 32
- 2025RSL-RL: A Learning Library for Robotics Researchcited by 28
- 2025Eye, Robot: Learning to Look to Act with a BC-RL Perception-Action Loopcited by 23
- 2025GaussGym: An open-source real-to-sim framework for learning locomotion from pixelscited by 22
- 2025Learning Getting-Up Policies for Real-World Humanoid Robotscited by 21
- 2025Viser: Imperative, Web-based 3D Visualization in Pythoncited by 19
- 2025GSWorld: Closed-Loop Photo-Realistic Simulation Suite for Robotic Manipulationcited by 16
- 2026Flow Policy Gradients for Robot Controlcited by 14
- 2025HumanoidGen: Data Generation for Bimanual Dexterous Manipulation via LLM Reasoningcited by 12
38 more
- 2025Simplicial Embeddings Improve Sample Efficiency in Actor-Critic Agentscited by 12
- 2025Learning Sim-to-Real Humanoid Locomotion in 15 Minutescited by 11
- 2025SoftMimic: Learning Compliant Whole-body Control from Examplescited by 7
- 2025End-to-end RL Improves Dexterous Grasping Policiescited by 5
- 2026FlashSAC: Fast and Stable Off-Policy Reinforcement Learning for High-Dimensional Robot Controlcited by 5
- 2026Data Pyramid for Embodied Manipulation: A Surveycited by 4
- 2026πR2: Reactive Real-time Flow Policiescited by 4
- 2026Thousand-GPU Large-Scale Training and Optimization Recipe for AI-Native Cloud Embodied Intelligence Infrastructurecited by 3
- 2026A Mechanistic Analysis of Sim-and-Real Co-Training in Generative Robot Policiescited by 3
- 2025Unreal Robotics Lab: A High-Fidelity Robotics Simulator with Advanced Physics and Renderingcited by 2
- 2025MOSAIC: Skill-Centric Manipulation Planning with Physics Simulationcited by 2
- 2025Monte Carlo Beam Search for Actor-Critic Reinforcement Learning in Continuous Controlcited by 2
- 2025The Cell Must Go On: Agar.io for Continual Reinforcement Learningcited by 2
- 2026What Matters for Simulation to Online Reinforcement Learning on Real Robotscited by 2
- 2026Squint: Fast Visual Reinforcement Learning for Sim-to-Real Roboticscited by 2
- 2026Learning Gait-Aware Quadruped Locomotion with Temporal Logic Specificationscited by 2
- 2025Reinforcement Learning for Ballbot Navigation in Uneven Terraincited by 1
- 2025CHyLL: Learning Continuous Neural Representations of Hybrid Systemscited by 1
- 2026Model-Based Reinforcement Learning for Control under Time-Varying Dynamicscited by 1
- 2026CRAX: Fast Safe Reinforcement Learning Benchmarkingcited by 1
- 2026Behavior Uncloning: Distilling Mode Redirection into Policy Weights without Inference-Time Steeringcited by 1
- 2026Isaac Sim-to-Real: Reinforcement Learning based Locomotion for Quadrupedscited by 1
- 2025Unity RL Playground: A Versatile Reinforcement Learning Framework for Mobile Robotscited by 0
- 2025Trajectory First: A Curriculum for Discovering Diverse Policiescited by 0
- 2025ActivePusher: Active Learning and Planning with Residual Physics for Nonprehensile Manipulationcited by 0
- 2025Learning Pivoting Manipulation with Force and Vision Feedback Using Optimization-based Demonstrationscited by 0
- 2025RoboPilot: Generalizable Dynamic Robotic Manipulation with Dual-thinking Modescited by 0
- 2025PGTT: Phase-Guided Terrain Traversal for Perceptive Legged Locomotioncited by 0
- 2025TARC: Time-Adaptive Robotic Controlcited by 0
- 2026PyBatchRender: A Python Library for Batched 3D Rendering at Up to One Million FPScited by 0
- 2026KAGE-Bench: Fast Known-Axis Visual Generalization Evaluation for Reinforcement Learningcited by 0
- 2026Sim-and-Human Co-training for Data-Efficient and Scene-Generalizable Bimanual Manipulationcited by 0
- 2026MyoInteract: A Framework for Fast Prototyping of Biomechanical HCI Tasks using Reinforcement Learningcited by 0
- 2026FastDSAC: Unlocking the Potential of Maximum Entropy RL in High-Dimensional Humanoid Controlcited by 0
- 2026Path-Space Mirror Descent for On-Policy Reinforcement Learning under the Generalized Schr"odinger Bridgecited by 0
- 2026Learning Dexterous Grasping from Sparse Taxonomy Guidancecited by 0
- 2026TAM: Torque Adaptation Module for Robust Motion Transfer in Manipulationcited by 0
- 2026Benchmarking Action Spaces in Reinforcement Learning for Vision-based Robotic Manipulationcited by 0
50 most cited of 57 All 57 (JSON)
- 2026Deep Epistemic Value Functions for Optimistic Exploration28 Sep 2026
- 2026Timestep Weighting: A Hidden Key to Effective ELBO-Based Flow-Matching RL26 Sep 2026
- 2026From LLM-Generated Specifications to Learned Quadruped Locomotion7 Sep 2026
- 2026Arrive and Survive: Scaling Safe Goal-Conditioned Policy Learning from One-Bit Failure Signals27 Aug 2026
- 2026V-Simba: Unleashing the Architectural Potential of RL in Visual Continuous Control8 Aug 2026
- 2026Foundations of Reinforcement Learning and Control:Connections and New Perspectives3 Aug 2026
- 2026πR2: Reactive Real-time Flow Policies28 Jul 2026
- 2026Data Pyramid for Embodied Manipulation: A Survey27 Jul 2026
- 2026Isaac Sim-to-Real: Reinforcement Learning based Locomotion for Quadrupeds20 Jul 2026
- 2026Rethinking the Suitability of Reinforcement Learning Algorithms Under Practical Transfer Constraints19 Jul 2026
- 2026Learning Gait-Aware Quadruped Locomotion with Temporal Logic Specifications1 Jul 2026
- 2026ASPIRE: Agentic /Skills Discovery for Robotics30 Jun 2026
38 more
- 2026Behavior Uncloning: Distilling Mode Redirection into Policy Weights without Inference-Time Steering28 Jun 2026
- 2026CRAX: Fast Safe Reinforcement Learning Benchmarking18 Jun 2026
- 2026Benchmarking Action Spaces in Reinforcement Learning for Vision-based Robotic Manipulation17 Jun 2026
- 2026TAM: Torque Adaptation Module for Robust Motion Transfer in Manipulation4 Jun 2026
- 2026A Mechanistic Analysis of Sim-and-Real Co-Training in Generative Robot Policies15 Apr 2026
- 2026FlashSAC: Fast and Stable Off-Policy Reinforcement Learning for High-Dimensional Robot Control6 Apr 2026
- 2026Learning Dexterous Grasping from Sparse Taxonomy Guidance5 Apr 2026
- 2026Model-Based Reinforcement Learning for Control under Time-Varying Dynamics2 Apr 2026
- 2026Path-Space Mirror Descent for On-Policy Reinforcement Learning under the Generalized Schr"odinger Bridge23 Mar 2026
- 2026FastDSAC: Unlocking the Potential of Maximum Entropy RL in High-Dimensional Humanoid Control13 Mar 2026
- 2026Thousand-GPU Large-Scale Training and Optimization Recipe for AI-Native Cloud Embodied Intelligence Infrastructure11 Mar 2026
- 2026Squint: Fast Visual Reinforcement Learning for Sim-to-Real Robotics24 Feb 2026
- 2026What Matters for Simulation to Online Reinforcement Learning on Real Robots23 Feb 2026
- 2026MyoInteract: A Framework for Fast Prototyping of Biomechanical HCI Tasks using Reinforcement Learning16 Feb 2026
- 2026Flow Policy Gradients for Robot Control2 Feb 2026
- 2026Sim-and-Human Co-training for Data-Efficient and Scene-Generalizable Bimanual Manipulation27 Jan 2026
- 2026KAGE-Bench: Fast Known-Axis Visual Generalization Evaluation for Reinforcement Learning20 Jan 2026
- 2026PointWorld: Scaling 3D World Models for In-The-Wild Robotic Manipulation7 Jan 2026
- 2026PyBatchRender: A Python Library for Batched 3D Rendering at Up to One Million FPS3 Jan 2026
- 2025CHyLL: Learning Continuous Neural Representations of Hybrid Systems10 Dec 2025
- 2025Learning Sim-to-Real Humanoid Locomotion in 15 Minutes1 Dec 2025
- 2025TARC: Time-Adaptive Robotic Control27 Oct 2025
- 2025GSWorld: Closed-Loop Photo-Realistic Simulation Suite for Robotic Manipulation23 Oct 2025
- 2025PGTT: Phase-Guided Terrain Traversal for Perceptive Legged Locomotion21 Oct 2025
- 2025SoftMimic: Learning Compliant Whole-body Control from Examples20 Oct 2025
- 2025GaussGym: An open-source real-to-sim framework for learning locomotion from pixels17 Oct 2025
- 2025Simplicial Embeddings Improve Sample Efficiency in Actor-Critic Agents15 Oct 2025
- 2025RoboPilot: Generalizable Dynamic Robotic Manipulation with Dual-thinking Modes30 Sep 2025
- 2025End-to-end RL Improves Dexterous Grasping Policies19 Sep 2025
- 2025RSL-RL: A Learning Library for Robotics Research13 Sep 2025
- 2025Learning Pivoting Manipulation with Force and Vision Feedback Using Optimization-based Demonstrations1 Aug 2025
- 2025Viser: Imperative, Web-based 3D Visualization in Python30 Jul 2025
- 2025Flow Matching Policy Gradients28 Jul 2025
- 2025HumanoidGen: Data Generation for Bimanual Dexterous Manipulation via LLM Reasoning1 Jul 2025
- 2025Eye, Robot: Learning to Look to Act with a BC-RL Perception-Action Loop12 Jun 2025
- 2025ActivePusher: Active Learning and Planning with Residual Physics for Nonprehensile Manipulation5 Jun 2025
- 2025Trajectory First: A Curriculum for Discovering Diverse Policies2 Jun 2025
- 2025FastTD3: Simple, Fast, and Capable Reinforcement Learning for Humanoid Control28 May 2025
50 newest of 57 All 57 (JSON)
- 2025Flow Matching Policy Gradientscited by 86
- 2026Timestep Weighting: A Hidden Key to Effective ELBO-Based Flow-Matching RLcited by 0
- 2026Timestep Weighting: A Hidden Key to Effective ELBO-Based Flow-Matching RL26 Sep 2026
- 2025Flow Matching Policy Gradients28 Jul 2025
- 2026ASPIRE: Agentic /Skills Discovery for Roboticscited by 44
- 2026ASPIRE: Agentic /Skills Discovery for Robotics30 Jun 2026
- 2025FastTD3: Simple, Fast, and Capable Reinforcement Learning for Humanoid Controlcited by 32
- 2025RSL-RL: A Learning Library for Robotics Researchcited by 28
- 2025Eye, Robot: Learning to Look to Act with a BC-RL Perception-Action Loopcited by 23
- 2025GaussGym: An open-source real-to-sim framework for learning locomotion from pixelscited by 22
- 2025Learning Getting-Up Policies for Real-World Humanoid Robotscited by 21
- 2025Viser: Imperative, Web-based 3D Visualization in Pythoncited by 19
- 2025GSWorld: Closed-Loop Photo-Realistic Simulation Suite for Robotic Manipulationcited by 16
- 2026Flow Policy Gradients for Robot Controlcited by 14
- 2025Simplicial Embeddings Improve Sample Efficiency in Actor-Critic Agentscited by 12
- 2025Learning Sim-to-Real Humanoid Locomotion in 15 Minutescited by 11
- 2025SoftMimic: Learning Compliant Whole-body Control from Examplescited by 7
- 2025End-to-end RL Improves Dexterous Grasping Policiescited by 5
12 most cited of 51 All 51 (JSON)
- 2026Deep Epistemic Value Functions for Optimistic Exploration28 Sep 2026
- 2026From LLM-Generated Specifications to Learned Quadruped Locomotion7 Sep 2026
- 2026Arrive and Survive: Scaling Safe Goal-Conditioned Policy Learning from One-Bit Failure Signals27 Aug 2026
- 2026V-Simba: Unleashing the Architectural Potential of RL in Visual Continuous Control8 Aug 2026
- 2026Foundations of Reinforcement Learning and Control:Connections and New Perspectives3 Aug 2026
- 2026πR2: Reactive Real-time Flow Policies28 Jul 2026
- 2026Data Pyramid for Embodied Manipulation: A Survey27 Jul 2026
- 2026Isaac Sim-to-Real: Reinforcement Learning based Locomotion for Quadrupeds20 Jul 2026
- 2026Rethinking the Suitability of Reinforcement Learning Algorithms Under Practical Transfer Constraints19 Jul 2026
- 2026Learning Gait-Aware Quadruped Locomotion with Temporal Logic Specifications1 Jul 2026
- 2026Behavior Uncloning: Distilling Mode Redirection into Policy Weights without Inference-Time Steering28 Jun 2026
- 2026CRAX: Fast Safe Reinforcement Learning Benchmarking18 Jun 2026
12 newest of 51 All 51 (JSON)