mlsanityData to 7 Oct 2026

RAMBO-RL: Robust Adversarial Model-Based Offline Reinforcement Learning

arXiv 2204.12581 ↗First posted 26 Apr 2022cs.LG cs.AIcited by 115

On the map: Offline RL and imitation learning from data → Offline RL algorithms

Abstract (arXiv)

Offline reinforcement learning (RL) aims to find performant policies from logged data without further environment interaction. Model-based algorithms, which learn a model of the environment from the dataset and perform conservative policy optimisation within that model, have emerged as a promising approach to this problem. In this work, we present Robust Adversarial Model-Based Offline RL (RAMBO), a novel approach to model-based offline RL. We formulate the problem as a two-player zero sum game against an adversarial environment model. The model is trained to minimise the value function while still accurately predicting the transitions in the dataset, forcing the policy to act conservatively in areas not covered by the dataset. To approximately solve the two-player game, we alternate between optimising the policy and adversarially optimising the model. The problem formulation that we address is theoretically grounded, resulting in a probably approximately correct (PAC) performance guarantee and a pessimistic value function which lower bounds the value function in the true environment. We evaluate our approach on widely studied offline RL benchmarks, and demonstrate that it outperforms existing state-of-the-art baselines.

Key facts. Cited by 115 papers in the map (data through 7 Oct 2026). Placed in Offline RL algorithms, one of 13 directions in Offline RL and imitation learning from data. Builds on 62 of its 91 references that are in the map. First posted on arXiv 26 Apr 2022.

Builds on

62 of 91 references.

Closest ancestors · 24

Same direction, newest first

  1. 2022Adversarially Trained Actor Critic for Offline Reinforcement Learning5 Feb
  2. 2021Towards Hyperparameter-free Policy Selection for Offline Reinforcement Learning26 Oct
  3. 2021Offline Reinforcement Learning with Implicit Q-Learning12 Oct
  4. 2021Revisiting Design Choices in Offline Model-Based Reinforcement Learning8 Oct
  5. 2021Uncertainty-Based Offline Reinforcement Learning with Diversified Q-Ensemble4 Oct
  6. 2021Offline Reinforcement Learning with Reverse Model-based Imagination1 Oct
  7. 2021A Workflow for Offline Model-Free Robotic Reinforcement Learning22 Sep
  8. 2021Pessimistic Model-based Offline Reinforcement Learning under Partial Coverage13 Jul
  9. 2021Behavioral Priors and Dynamics Models: Improving Performance and Domain Transfer in Offline RL16 Jun
  10. 2021Offline RL Without Off-Policy Evaluation16 Jun
  11. 2021Bellman-consistent Pessimism for Offline Reinforcement Learning13 Jun
  12. 2021A Minimalist Approach to Offline Reinforcement Learning12 Jun
12 more
  1. 2021Offline Reinforcement Learning with Fisher Divergence Critic Regularization14 Mar
  2. 2021COMBO: Conservative Offline Model-Based Policy Optimization16 Feb
  3. 2020Offline Reinforcement Learning from Images with Latent Space Models21 Dec
  4. 2020Overcoming Model Bias for Robust Offline Deep Reinforcement Learning12 Aug
  5. 2020Hyperparameter Selection for Offline Reinforcement Learning17 Jul
  6. 2020Conservative Q-Learning for Offline Reinforcement Learning8 Jun
  7. 2020MOPO: Model-based Offline Policy Optimization27 May
  8. 2020MOReL : Model-Based Offline Reinforcement Learning12 May
  9. 2020Offline Reinforcement Learning: Tutorial, Review, and Perspectives on Open Problems4 May
  10. 2020D4RL: Datasets for Deep Data-Driven Reinforcement Learning15 Apr
  11. 2020Keep Doing What Worked: Behavioral Modelling Priors for Offline Reinforcement Learning19 Feb
  12. 2019Behavior Regularized Offline Reinforcement Learning26 Nov

Other references · 38

  1. 2014Adam: A Method for Stochastic Optimizationcited by 36,960
  2. 2018Soft Actor-Critic: Off-Policy Maximum Entropy Deep Reinforcement Learning with a Stochastic Actorcited by 4,635
  3. 2015High-Dimensional Continuous Control Using Generalized Advantage Estimationcited by 1,916
  4. 2019Can You Trust Your Model's Uncertainty? Evaluating Predictive Uncertainty Under Dataset Shiftcited by 1,274
  5. 2018Off-Policy Deep Reinforcement Learning without Explorationcited by 1,227
  6. 2019Stabilizing Off-Policy Q-Learning via Bootstrapping Error Reductioncited by 833
  7. 2018Recurrent World Models Facilitate Policy Evolutioncited by 761
  8. 2019When to Trust Your Model: Model-Based Policy Optimizationcited by 753
  9. 2019Advantage-Weighted Regression: Simple and Scalable Off-Policy Reinforcement Learningcited by 750
  10. 2018Deep Reinforcement Learning in a Handful of Trials using Probabilistic Dynamics Modelscited by 748
  11. 2019Solving Rubik's Cube with a Robot Handcited by 699
  12. 2021A Survey of Uncertainty in Deep Neural Networkscited by 675
26 more
  1. 2017Robust Adversarial Reinforcement Learningcited by 439
  2. 2017Adversarial Attacks on Neural Network Policiescited by 314
  3. 2019Way Off-Policy Batch Deep Reinforcement Learning of Implicit Human Preferences in Dialogcited by 283
  4. 2018Model-Ensemble Trust-Region Policy Optimizationcited by 214
  5. 2019AlgaeDICE: Policy Gradient from Arbitrary Experiencecited by 187
  6. 2019Action Robust Reinforcement Learning and Applications in Continuous Controlcited by 167
  7. 2017Robust Deep Reinforcement Learning with Adversarial Attackscited by 152
  8. 2020Model-Based Offline Planningcited by 126
  9. 2020Deployment-Efficient Reinforcement Learning via Model-Based Offline Optimizationcited by 120
  10. 2019Counterfactual Off-Policy Evaluation with Gumbel-Max Structural Causal Modelscited by 114
  11. 2021Online Robust Reinforcement Learning with Model Uncertaintycited by 95
  12. 2019IRIS: Implicit Reinforcement without Interaction at Scale for Learning Control from Offline Robot Manipulation Datacited by 85
  13. 2020COG: Connecting New Skills to Past Experience with Offline Reinforcement Learningcited by 83
  14. 2020Robust Deep Reinforcement Learning through Adversarial Losscited by 73
  15. 2020A Game Theoretic Framework for Model Based Reinforcement Learningcited by 72
  16. 2020Model-Augmented Actor-Critic: Backpropagating through Pathscited by 61
  17. 2019Risk Averse Robust Adversarial Reinforcement Learningcited by 54
  18. 2017Reinforcement Learning under Model Mismatchcited by 52
  19. 2019Learning When-to-Treat Policiescited by 49
  20. 2021Augmented World Models Facilitate Zero-Shot Dynamics Generalization From a Single Offline Environmentcited by 41
  21. 2021Robust Policy Gradient against Strong Data Corruptioncited by 30
  22. 2020Certifiable Robustness to Adversarial State Uncertainty in Deep Reinforcement Learningcited by 23
  23. 2021Combining Pessimism with Optimism for Robust and Efficient Model-Based Deep Reinforcement Learningcited by 14
  24. 2020Pessimism About Unknown Unknowns Inspires Conservatismcited by 13
  25. 2017Batch Policy Gradient Methods for Improving Neural Conversation Modelscited by 10
  26. 2020Minimax Regret Optimisation for Robust Planning in Uncertain Markov Decision Processescited by 10

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Cited by year (2026 to 7 Oct)

Citing papers per year: 2022: 5; 2023: 45; 2024: 28; 2025: 25; 2026: 12.

115 papers.

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  1. 2023The Rise and Potential of Large Language Model Based Agents: A Surveycited by 1,422
  2. 2024Understanding Reinforcement Learning-Based Fine-Tuning of Diffusion Models: A Tutorial and Reviewcited by 92
  3. 2023Provable Offline Preference-Based Reinforcement Learningcited by 55
  4. 2023A Survey on Causal Reinforcement Learningcited by 43
  5. 2024Policy-Guided Diffusioncited by 40
  6. 2024Diffusion Model Predictive Controlcited by 35
  7. 2023Adversarial Model for Offline Reinforcement Learningcited by 31
  8. 2025Uncertainty-aware Latent Safety Filters for Avoiding Out-of-Distribution Failurescited by 30
  9. 2022Optimal Conservative Offline RL with General Function Approximation via Augmented Lagrangiancited by 29
  10. 2023Quantification of Uncertainty with Adversarial Modelscited by 28
  11. 2023When Demonstrations Meet Generative World Models: A Maximum Likelihood Framework for Offline Inverse Reinforcement Learningcited by 26
  12. 2023Safe Offline Reinforcement Learning with Real-Time Budget Constraintscited by 26
38 more
  1. 2024Bridging Model-Based Optimization and Generative Modeling via Conservative Fine-Tuning of Diffusion Modelscited by 24
  2. 2025RobustVLA: On Robustness of Vision-Language-Action Model against Multi-Modal Perturbationscited by 23
  3. 2022Model-Based Offline Reinforcement Learning with Pessimism-Modulated Dynamics Beliefcited by 22
  4. 2023Waypoint Transformer: Reinforcement Learning via Supervised Learning with Intermediate Targetscited by 22
  5. 2024GTA: Generative Trajectory Augmentation with Guidance for Offline Reinforcement Learningcited by 22
  6. 2022One Risk to Rule Them All: A Risk-Sensitive Perspective on Model-Based Offline Reinforcement Learningcited by 21
  7. 2023Zero-Shot Reinforcement Learning from Low Quality Datacited by 21
  8. 2023DITTO: Offline Imitation Learning with World Modelscited by 20
  9. 2023Maximize to Explore: One Objective Function Fusing Estimation, Planning, and Explorationcited by 20
  10. 2023Survival Instinct in Offline Reinforcement Learningcited by 20
  11. 2023GOPlan: Goal-conditioned Offline Reinforcement Learning by Planning with Learned Modelscited by 20
  12. 2023MAHALO: Unifying Offline Reinforcement Learning and Imitation Learning from Observationscited by 18
  13. 2023TWIST: Teacher-Student World Model Distillation for Efficient Sim-to-Real Transfercited by 18
  14. 2024RoboPack: Learning Tactile-Informed Dynamics Models for Dense Packingcited by 18
  15. 2024Model-based Offline Reinforcement Learning with Lower Expectile Q-Learningcited by 17
  16. 2022Conservative Bayesian Model-Based Value Expansion for Offline Policy Optimizationcited by 16
  17. 2023Model-based Offline Reinforcement Learning with Count-based Conservatismcited by 16
  18. 2024SEABO: A Simple Search-Based Method for Offline Imitation Learningcited by 14
  19. 2023Importance Weighted Actor-Critic for Optimal Conservative Offline Reinforcement Learningcited by 13
  20. 2023Hallucinated Adversarial Control for Conservative Offline Policy Evaluationcited by 13
  21. 2023Uncertainty-driven Trajectory Truncation for Data Augmentation in Offline Reinforcement Learningcited by 13
  22. 2023Reward-Free Curricula for Training Robust World Modelscited by 13
  23. 2023Instructed Diffuser with Temporal Condition Guidance for Offline Reinforcement Learningcited by 12
  24. 2023Reward-Consistent Dynamics Models are Strongly Generalizable for Offline Reinforcement Learningcited by 12
  25. 2025Scalable Offline Model-Based RL with Action Chunkscited by 12
  26. 2022User-Interactive Offline Reinforcement Learningcited by 11
  27. 2024Bayes Adaptive Monte Carlo Tree Search for Offline Model-based Reinforcement Learningcited by 11
  28. 2023Value function estimation using conditional diffusion models for controlcited by 10
  29. 2024Any-step Dynamics Model Improves Future Predictions for Online and Offline Reinforcement Learningcited by 10
  30. 2023Conservative State Value Estimation for Offline Reinforcement Learningcited by 9
  31. 2023More for Less: Safe Policy Improvement With Stronger Performance Guaranteescited by 9
  32. 2023A Bayesian Approach to Robust Inverse Reinforcement Learningcited by 9
  33. 2023A Unified View on Solving Objective Mismatch in Model-Based Reinforcement Learningcited by 9
  34. 2023MICRO: Model-Based Offline Reinforcement Learning with a Conservative Bellman Operatorcited by 9
  35. 2023Design from Policies: Conservative Test-Time Adaptation for Offline Policy Optimizationcited by 8
  36. 2024The Edge-of-Reach Problem in Offline Model-Based Reinforcement Learningcited by 8
  37. 2024Learning from Random Demonstrations: Offline Reinforcement Learning with Importance-Sampled Diffusion Modelscited by 8
  38. 2025VLM-SAFE: Vision-Language Model-Guided Safety-Aware Reinforcement Learning with World Models for Autonomous Drivingcited by 8

50 most cited of 115 All 115 (JSON)

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  1. 2024Towards Robust Policy: Enhancing Offline Reinforcement Learning with Adversarial Attacks and Defenses
  2. 2022ARMOR: A Model-based Framework for Improving Arbitrary Baseline Policies with Offline Data
  3. 2022A Survey on Offline Reinforcement Learning: Taxonomy, Review, and Open Problems
  4. 2022RORL: Robust Offline Reinforcement Learning via Conservative Smoothing
  5. 2022Domain Generalization for Robust Model-Based Offline Reinforcement Learning
  6. 2023Towards Robust Offline-to-Online Reinforcement Learning via Uncertainty and Smoothness
  7. 2025Fully Offline Reinforcement Learning
  8. 2022Oracle Inequalities for Model Selection in Offline Reinforcement Learning