activity
20222026
most citedOn the Effectiveness of Fine-tuning Versus Meta-reinforcement Learning

20 citations · 34 across the 18 of their papers we have counts for

collaborators

19 papers

cs.AI2026

Offline Materials Optimization with CliqueFlowmer

Jakub Grudzien Kuba, Benjamin Kurt Miller, Sergey Levine +1

Recent advances in deep learning inspired neural network-based approaches to computational materials discovery (CMD). A plethora of problems in this field involve finding materials…

cs.LG2025

What Really Matters in Matrix-Whitening Optimizers?

Kevin Frans, Pieter Abbeel, Sergey Levine

A range of recent optimizers have emerged that approximate the same "matrix-whitening" transformation in various ways. In this work, we systematically deconstruct such optimizers,…

cs.LG2025

Compute-Optimal Scaling for Value-Based Deep RL

Preston Fu, Oleh Rybkin, Zhiyuan Zhou +4

As models grow larger and training them becomes expensive, it becomes increasingly important to scale training recipes not just to larger models and more data, but to do so in a co…

cs.LG2025

A Stable Whitening Optimizer for Efficient Neural Network Training

Kevin Frans, Sergey Levine, Pieter Abbeel

In this work, we take an experimentally grounded look at neural network optimization. Building on the Shampoo family of algorithms, we identify and alleviate three key issues, resu…

cs.LG2025

Diffusion Guidance Is a Controllable Policy Improvement Operator

Kevin Frans, Seohong Park, Pieter Abbeel +1

At the core of reinforcement learning is the idea of learning beyond the performance in the data. However, scaling such systems has proven notoriously tricky. In contrast, techniqu…

cs.RO2025★ 1 cited

MuJoCo Playground

Kevin Zakka, Baruch Tabanpour, Qiayuan Liao +10

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 transfe…

cs.LG2025

Value-Based Deep RL Scales Predictably

Oleh Rybkin, Michal Nauman, Preston Fu +4

Scaling data and compute is critical to the success of modern ML. However, scaling demands predictability: we want methods to not only perform well with more compute or data, but a…

cs.RO2025★ 2 cited

Beyond Sight: Finetuning Generalist Robot Policies with Heterogeneous Sensors via Language Grounding

Joshua Jones, Oier Mees, Carmelo Sferrazza +3

Interacting with the world is a multi-sensory experience: achieving effective general-purpose interaction requires making use of all available modalities -- including vision, touch…

cs.LG2024

Prioritized Generative Replay

Renhao Wang, Kevin Frans, Pieter Abbeel +2

Sample-efficient online reinforcement learning often uses replay buffers to store experience for reuse when updating the value function. However, uniform replay is inefficient, sin…

cs.LG2024

Cliqueformer: Model-Based Optimization with Structured Transformers

Jakub Grudzien Kuba, Pieter Abbeel, Sergey Levine

Large neural networks excel at prediction tasks, but their application to design problems, such as protein engineering or materials discovery, requires solving offline model-based…

cs.LG2024★ 2 cited

One Step Diffusion via Shortcut Models

Kevin Frans, Danijar Hafner, Sergey Levine +1

Diffusion models and flow-matching models have enabled generating diverse and realistic images by learning to transfer noise to data. However, sampling from these models involves i…

cs.RO2024

Offline Imitation Learning Through Graph Search and Retrieval

Zhao-Heng Yin, Pieter Abbeel

Imitation learning is a powerful machine learning algorithm for a robot to acquire manipulation skills. Nevertheless, many real-world manipulation tasks involve precise and dextero…

cs.RO2024★ 5 cited

MOKA: Open-World Robotic Manipulation through Mark-Based Visual Prompting

Fangchen Liu, Kuan Fang, Pieter Abbeel +1

Open-world generalization requires robotic systems to have a profound understanding of the physical world and the user command to solve diverse and complex tasks. While the recent…

cs.LG2024

Unsupervised Zero-Shot Reinforcement Learning via Functional Reward Encodings

Kevin Frans, Seohong Park, Pieter Abbeel +1

Can we pre-train a generalist agent from a large amount of unlabeled offline trajectories such that it can be immediately adapted to any new downstream tasks in a zero-shot manner?…

cs.RO2024★ 2 cited

Reinforcement Learning for Versatile, Dynamic, and Robust Bipedal Locomotion Control

Zhongyu Li, Xue Bin Peng, Pieter Abbeel +3

This paper presents a comprehensive study on using deep reinforcement learning (RL) to create dynamic locomotion controllers for bipedal robots. Going beyond focusing on a single l…

cs.RO2024★ 2 cited

FMB: a Functional Manipulation Benchmark for Generalizable Robotic Learning

Jianlan Luo, Charles Xu, Fangchen Liu +5

In this paper, we propose a real-world benchmark for studying robotic learning in the context of functional manipulation: a robot needs to accomplish complex long-horizon behaviors…

cs.LG2024

Functional Graphical Models: Structure Enables Offline Data-Driven Optimization

Jakub Grudzien Kuba, Masatoshi Uehara, Pieter Abbeel +1

While machine learning models are typically trained to solve prediction problems, we might often want to use them for optimization problems. For example, given a dataset of protein…

cs.LG2023

Learning a Diffusion Model Policy from Rewards via Q-Score Matching

Michael Psenka, Alejandro Escontrela, Pieter Abbeel +1

Diffusion models have become a popular choice for representing actor policies in behavior cloning and offline reinforcement learning. This is due to their natural ability to optimi…

cs.LG2022★ 20 cited

On the Effectiveness of Fine-tuning Versus Meta-reinforcement Learning

Zhao Mandi, Pieter Abbeel, Stephen James

Intelligent agents should have the ability to leverage knowledge from previously learned tasks in order to learn new ones quickly and efficiently. Meta-learning approaches have eme…