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Natasha Jaques
@natashajaques.bsky.social
Assistant Professor at UW and Staff Research Scientist at Google DeepMind. Social Reinforcement Learning in multi-agent and human-AI interactions. PhD from MIT. Check out https://socialrl.cs.washington.edu/ and https://natashajaques.ai/.
Instead of behavior cloning, what if you asked an LLM to write code to describe how an agent was acting, and used this to predict their future behavior? Our new paper "Modeling Others' Minds as Code" shows this outperforms BC by 2x, and reaches human-level performance in predicting human behavior.
Forget modeling every belief and goal! What if we represented people as following simple scripts instead (i.e "cross the crosswalk")? Our new paper shows AI which models others’ minds as Python code 💻 can quickly and accurately predict human behavior! shorturl.at/siUYI%F0%9F%...
My husband presenting his work on caregiving 😍
lol this may be the most cogsci cogsci slide I've ever seen, from @maxkw.bsky.social "before I got married I had six theories about raising children, now I have six kids and no theories"......but here's another theory #cogsci2025
Excited to release our latest paper on a new multi-turn RL objective for training LLMs to *learn how to learn* to adapt to the user. This enables it to adapt and personalize to novel users, whereas the multi-turn RLHF baseline fails to generalize effectively to new users.
Personalization methods for LLMs often rely on extensive user history. We introduce Curiosity-driven User-modeling Reward as Intrinsic Objective (CURIO) to encourage actively learning about the user within multi-turn dialogs. 📜 arxiv.org/abs/2504.03206 🌎 sites.google.com/cs.washingto...
In our latest paper, we discovered a surprising result: training LLMs with self-play reinforcement learning on zero-sum games (like poker) significantly improves performance on math and reasoning benchmarks, zero-shot. Whaaat? How does this work?
We're excited about self-play unlocking continuously improving agents. RL selects CoT patterns from LLMs. Games=perfect testing grounds. SPIRAL: models learn via self-competition. Kuhn Poker → +8.7% math, +18.1 Minerva Math! 🃏 Paper: huggingface.co/papers/2506.... Code: github.com/spiral-rl/spiral
Just posted a talk I gave about this work! youtu.be/mxWJ9k2XKbk
Self Play for Safety - Online Multi-Agent Adversarial Training for Provably Robust LLMs
YouTube video by Natasha Jaques
youtu.be
RLHF is the main technique for ensuring LLM safety, but it provides no guarantees that they won’t say something harmful. Instead, we use online adversarial training to achieve theoretical safety guarantees and substantial empirical safety improvements over RLHF, without sacrificing capabilities.
RLHF is the main technique for ensuring LLM safety, but it provides no guarantees that they won’t say something harmful. Instead, we use online adversarial training to achieve theoretical safety guarantees and substantial empirical safety improvements over RLHF, without sacrificing capabilities.
🤔Conventional LM safety alignment is reactive: find vulnerabilities→patch→repeat 🌟We propose 𝗼𝗻𝗹𝗶𝗻𝗲 𝐦𝐮𝐥𝐭𝐢-𝐚𝐠𝐞𝐧𝐭 𝗥𝗟 𝘁𝗿𝗮𝗶𝗻𝗶𝗻𝗴 where Attacker & Defender self-play to co-evolve, finding diverse attacks and improving safety by up to 72% vs. RLHF 🧵
RLHF is the main technique for ensuring LLM safety, but it provides no guarantees that they won’t say something harmful. Instead, we use online adversarial training to achieve theoretical safety guarantees and substantial empirical safety improvements over RLHF, without sacrificing capabilities.
🤔Conventional LM safety alignment is reactive: find vulnerabilities→patch→repeat 🌟We propose 𝗼𝗻𝗹𝗶𝗻𝗲 𝐦𝐮𝐥𝐭𝐢-𝐚𝐠𝐞𝐧𝐭 𝗥𝗟 𝘁𝗿𝗮𝗶𝗻𝗶𝗻𝗴 where Attacker & Defender self-play to co-evolve, finding diverse attacks and improving safety by up to 72% vs. RLHF 🧵
Oral @icmlconf.bsky.social !!! Can't wait to share our work and hear the community's thoughts on it, should be a fun talk! Can't thank my collaborators enough: @cogscikid.bsky.social y.social @liangyanchenggg @simon-du.bsky.social @maxkw.bsky.social @natashajaques.bsky.social
Our new paper (first one of my PhD!) on cooperative AI reveals a surprising insight: Environment Diversity > Partner Diversity. Agents trained in self-play across many environments learn cooperative norms that transfer to humans on novel tasks. shorturl.at/fqsNN%F0%9F%...
At @rldmdublin2025.bsky.social this week? Check out our social learning workshop from @amritalamba.bsky.social and I tomorrow! Inc. talks from @natashajaques.bsky.social, @nitalon.bsky.social, @carocharp.bsky.social, @kartikchandra.bsky.social & more! Full schedule: sites.google.com/view/rldm202...
RLDM2025SocInfWorkshop
// RLDM 2025 Workshop \\ Reinforcement learning as a model of social behaviour and inference: progress and pitfalls 12.06.2025 // 9am-1pm
sites.google.com
1/4 Join us and the Autotelic Interaction Research (AIR) group @aalto.fi / Finland to work on Computational Social Intrinsic Motivation (SIM) as PhD (4y) or postdoc (2y). Job ad w project description and application instructions: bit.ly/4jyNLGv. We're looking forward to learning about you!
Doctoral Researcher and Postdoc positions to work on Computational Social Intrinsic Motivation (SIM) | Aalto University
The Autotelic Interaction Research (AIR) group at the Dept. of Computer Science, Aalto University, Finland is looking for 1 Doctoral Researcher (2+2 years) and 1 Postdoc (2 years) to work on Computational Social Intrinsic Motivation (SIM)
bit.ly
Human-AI cooperation is important, but existing work trains on the same 5 Overcooked layouts, creating brittle strategies. Instead, we find that training on billions of procedurally generated tasks trains agents to learn general cooperative norms that transfer to humans... like avoiding collision
Our new paper (first one of my PhD!) on cooperative AI reveals a surprising insight: Environment Diversity > Partner Diversity. Agents trained in self-play across many environments learn cooperative norms that transfer to humans on novel tasks. shorturl.at/fqsNN%F0%9F%...
Our new paper (first one of my PhD!) on cooperative AI reveals a surprising insight: Environment Diversity > Partner Diversity. Agents trained in self-play across many environments learn cooperative norms that transfer to humans on novel tasks. shorturl.at/fqsNN%F0%9F%...
Recorded a recent "talk" / rant about RL fine-tuning of LLMs for a guest lecture in Stanford CSE234: youtube.com/watch?v=NTSY.... Covers some of my lab's recent work on personalized RLHF, as well as some mild Schmidhubering about my own early contributions to this space
Reinforcement Learning (RL) for LLMs
YouTube video by Natasha Jaques
youtube.com
next Canadian government should think of boosting research funding up here and trying to grab as many American postdocs and researchers as possible
AI has shown great potential in boosting efficiency. But can it help human society make better decisions as a whole? 🤔 In this project, using MARL, we explore this by studying the impact of an ESG disclosure mandate—a highly controversial policy. (1/6)
In our latest work, we introduce InvestESG, a lightweight, GPU-efficient MARL environment, designed to study incentives surrounding corporate climate mitigation and climate risks. Check out the project website: sites.google.com/view/investe...
Our latest work uses multi-agent reinforcement learning to model corporate investment in climate change mitigation as a social dilemma. We create a new benchmark, and show that corporations are greedily motivated to pollute without mitigating their emissions, but if all companies defect...
In our latest work, we introduce InvestESG, a lightweight, GPU-efficient MARL environment, designed to study incentives surrounding corporate climate mitigation and climate risks. Check out the project website: sites.google.com/view/investe...
The paper I spoke about at the #NeurIPS2024 ML for Systems workshop is now on arxiv arxiv.org/abs/2412.15573! We use multi-agent RL to solve a classic combinatorial optimization problem (the Sequential Assignment Problem), by combining MARL with a classical polynomial time assignment algorithm. 1/3
Repost for updating my favourite deep learning meme of all time
Six months ago someone put a for-loop around GPT-4o and got 50% on the ARC-AGI test set and 72% on a held-out training set redwoodresearch.substack.com/p/getting-50... Just sample 8000 times with beam search. o3 is probably a more principled search technique...
Astonishing how many RL bottlenecks are resolved simply by “make simulator go fast”. What if we had prioritized engineering over algorithms years ago?
University of Washington researchers craft method of fine-tuning AI chatbots for individual taste www.geekwire.com/2024/univers...
University of Washington researchers craft method of fine-tuning AI chatbots for individual taste
Natasha Jaques, an assistant professor at the University of Washington's Paul G. Allen School of Computer Science & Engineering. (UW Photo) As
geekwire.com
UW News put out a Q&A about our recent work on Variational Preference Learning, a technique for personalizing Reinforcement Learning from Human Feedback (RLHF) washington.edu/news/2024/12...
Q&A: New AI training method lets systems better adjust to users’ values
University of Washington researchers created a method for training AI systems — both for large language models like ChatGPT and for robots — that can better reflect users’ diverse values. It...
washington.edu
Really excited to present my work this Sunday @NeurIPS on how we might approach training a generalist agent capable of cooperation at scale: coordinating with many novel partners on many novel tasks has never been easier! Come by the IMOL workshop to check it out and chat more!
Also on Sunday, Kunal Jha @kjha02.bsky.social l will be presenting his recent work InfiniteKitchen: Cross-environment Cooperation for Zero-shot Multi-agent Coordination at the Intrinsically Motivated Open-ended Learning workshop imol-workshop.github.io
Even though the Social RL lab only got started ~1 year ago, I’m super excited to announce that we have 10 people from the lab presenting their work at #NeurIPS2024. Delighted to officially introduce our lab: socialrl.cs.washington.edu! Thread with all our NeurIPS work below 👇
SocialRL Lab
We are the Social Reinforcement Learning Lab at the University of Washington.
socialrl.cs.washington.edu
Let's cycle through the memes for this one until it stops... 😇😅🙏
Reminder: How to share arXiv papers
Is it Bad to leave Twitter? No. Here are 7+ years of insights from my lab’s research that explain why. Featuring work w/ @williambrady.bsky.social @killianmcloughlin.bsky.social 🧵
Better VQ-VAEs with this one weird rotation trick! I missed this when it came out, but I love papers like this: a simple change to an already powerful technique, that significantly improves results without introducing complexity or hyperparameters.