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📢Announcing 𝐭𝐡𝐞 𝐟𝐢𝐫𝐬𝐭 𝐰𝐨𝐫𝐤𝐬𝐡𝐨𝐩 𝐨𝐧 𝐭𝐡𝐞 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐨𝐟 𝐋𝐋𝐌 𝐄𝐱𝐩𝐥𝐚𝐢𝐧𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐭𝐨 𝐑𝐞𝐚𝐬𝐨𝐧𝐢𝐧𝐠 𝐚𝐧𝐝 𝐏𝐥𝐚𝐧𝐧𝐢𝐧𝐠 at Conference on Language Modeling! We welcome perspectives from LLM, XAI, and HCI! CFP (Due June 23): …reasoning-planning-workshop.github.io

Dear MAGA friends, I have been worrying about STEM in the US a lot, because right now the Senate is writing new laws that cut 75% of the STEM budget in the US. Sorry for the long post, but the issue is really important, and I want to share what I know about it. The entire

News🗞️ I will return to UT Austin as an Assistant Professor of Linguistics this fall, and join its vibrant community of Computational Linguists, NLPers, and Cognitive Scientists!🤘 Excited to develop ideas about linguistic and conceptual generalization! Recruitment details soon

Great to work on this benchmark with astronomers in our NSF-Simons CosmicAI institute! What I like about it: (1) focus on data processing & visualization, a "bite-sized" AI4Sci task (not automating all of research) (2) eval with VLM-as-a-judge (possible with strong, modern VLMs)

📢 New paper on creativity & multi-token prediction! We design minimal open-ended tasks to argue: → LLMs are limited in creativity since they learn to predict the next token → creativity can be improved via multi-token learning & injecting noise ("seed-conditioning" 🌱) 1/ 🧵

Solving complex problems with CoT requires combining different skills. We can do this by: 🧩Modify the CoT data format to be “composable” with other skills 🔥Train models on each skill 📌Combine those models Lead to better 0-shot reasoning on tasks involving skill composition!

CoT is effective for in-domain reasoning tasks, but Fangcong's work takes a nice step in improving compositional generalization of CoT reasoning. We teach models that atomic CoT skills fit together like puzzle pieces so it can then combine them in novel ways. Lots to do here!

Language is often strategic, but LLMs tend to play nice. How strategic are they really? Probing into that is key for future safety alignment.🛟 👉Introducing CoBRA🐍, a framework that assesses strategic language. Work with my amazing advisors Jessy Li and David Beaver! 🧵👇

CosmicAI collab: benchmarking the utility of LLMs in astronomy coding workflows & focusing on the key research capability of scientific visualization. Sebastian Joseph Jessy Li Murtaza Husain Greg Durrett Dr. Stephanie Juneau paul.torrey Adam Bolton, Stella Offner, Juan Frias, Niall Gaffney

Announcing OpenThinker3-7B, the new SOTA open-data 7B reasoning model: improving over DeepSeek-R1-Distill-Qwen-7B by 33% on average over code, science, and math evals. We also release our dataset, OpenThoughts3-1.2M, which is the best open reasoning dataset across all data

Understanding what’s in the data is a high leverage activity when it comes to training/evaluating models and agents. This week we will drill down into a few popular benchmarks and share some custom viewers that will help pop up various insights. Our viewer for GPQA (Google

🤔 Recent mech interp work showed that retrieval heads can explain some long-context behavior. But can we use this insight for retrieval? 📣 Introducing QRHeads (query-focused retrieval heads) that enhance retrieval Main contributions: 🔍 Better head detection: we find a

I'm excited about Leo's use of hypernetworks for data efficient knowledge editing! Tweaking what a model learns from data is very powerful & useful for other goals like alignment. Haven't seen much other work building on MEND recently, but let me know what cool stuff we missed!

If we don't do physical work in our jobs, we go to the gym and work out. What are the gyms for skills that LLMs will automate?

Wrapped up Stanford CS336 (Language Models from Scratch), taught with an amazing team Tatsunori Hashimoto Marcel Rød Neil Band Rohith Kuditipudi. Researchers are becoming detached from the technical details of how LMs work. In CS336, we try to fix that by having students build everything:

There’s been hot debate about (The Illusion of) The Illusion of Thinking. My take: it’s not that models can’t reason — they just aren’t perfect at long-form generation yet. We eval reasoning models on LongProc benchmark (requiring generating 8K CoTs, see thread). Reasoning

So about a month ago, Percy posted a version of this plot of our Marin 32B pretraining run. We got a lot of feedback, both public and private, that the spikes were bad. (This is a thread about how we fixed the spikes. Bear with me. )

Are we fact-checking medical claims the right way? 🩺🤔 Probably not. In our study, even experts struggled to verify Reddit health claims using end-to-end systems. We show why—and argue fact-checking should be a dialogue, with patients in the loop arxiv.org/abs/2506.20876 🧵1/