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Abhilasha Ravichander

@lasha.bsky.social
4.8K followers 1.2K following 106 posts

Tenure-track faculty at the Max Planck Institute for Software Systems Previously postdoc at UW and AI2, working on Natural Language Processing Recruiting PhD students! 🌐 lasharavichander.github.io

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Reposted by Abhilasha Ravichander
Mariya Toneva @mtoneva.bsky.social · 24/09/2026
🚨 Two open postdoc positions in the ERC-funded project BrainAlign at the Max Planck Institute in Saarbruecken, Germany: position #1 on NeuroAI: postdocprogram.mpg.de/node/58480 position #2 on human-centered LLM evaluations: postdocprogram.mpg.de/node/58481 Application deadline: Oct 13, 2026
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Abhilasha Ravichander @lasha.bsky.social · 12/04/2026
How can generative AI better support human creativity, without limiting it? If you have thoughts, we invite submissions to our ICML workshop on Generative AI, Creativity, and Human-AI Co-Creation 📍 July 2026, Seoul 📄 Submit by: April 24 (AOE) 🔗 Submission link: openreview.net/group?id=ICM...
openreview.net
ICML 2026 Workshop GenAICreativity
Welcome to the OpenReview homepage for ICML 2026 Workshop GenAICreativity
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Abhilasha Ravichander @lasha.bsky.social · 17/01/2026
Go work with Marzena!!
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Abhilasha Ravichander @lasha.bsky.social · 23/12/2025
Thrilled to welcome Noam (@dahannoam.bsky.social) as the first intern in our new lab ✨ Noam joined us from the Hebrew University of Jerusalem after five years as a journalist! Looking forward to working together and learning from her unique perspective🤗
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Leonie Weissweiler @weissweiler.bsky.social · 11/12/2025
🧑‍🔬I’m recruiting PhD students in Natural Language Processing @unileipzig.bsky.social Computer Science, together with @scadsai.bsky.social! Topics include, but aren’t limited to: 🔎Linguistic Interpretability 🌍Multilingual Evaluation 📖Computational Typology Please share! #NLProc #NLP
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Maria Antoniak @mariaa.bsky.social · 31/10/2025
The project that started my whitespace obsession... #EMNLP2025 While we've all been worrying about tokenizers, lurking in the background has been the preprocessing *before* tokenization. Poems break standard HTML-to-text linearization systems, and we find that multimodal models aren't a solution.
arxiv.org
so much depends / upon / a whitespace: Why Whitespace Matters for Poets and LLMs
Whitespace is a critical component of poetic form, reflecting both adherence to standardized forms and rebellion against those forms. Each poem's whitespace distribution reflects the artistic choices ...
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Ana Marasović @anamarasovic.bsky.social · 07/11/2025
𝙒𝙚'𝙧𝙚 𝙝𝙞𝙧𝙞𝙣𝙜 𝙣𝙚𝙬 𝙛𝙖𝙘𝙪𝙡𝙩𝙮 𝙢𝙚𝙢𝙗𝙚𝙧𝙨! KSoC: utah.peopleadmin.com/postings/190... (AI broadly) Education + AI: - utah.peopleadmin.com/postings/189... - utah.peopleadmin.com/postings/190... Computer Vision: - utah.peopleadmin.com/postings/183...
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Dustin Wright @dustinbwright.com · 13/10/2025
Which, whose, and how much knowledge do LLMs represent? I'm excited to share our preprint answering these questions: "Epistemic Diversity and Knowledge Collapse in Large Language Models" 📄Paper: arxiv.org/pdf/2510.04226 💻Code: github.com/dwright37/ll... 1/10
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Ana Marasović @anamarasovic.bsky.social · 04/11/2025
Go check Alex's poster today (Wed) in Suzhou! #EMNLP2025 I'm still so proud of our work (led by @lasha.bsky.social) on CondaQA, so we had to ask what would happen if we tried to create high-quality reasoning-over-text benchmarks now that LLMs are available. Turns out, we'd make an easier benchmark!
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Alex Gill @agill32.bsky.social · 03/11/2025
I'll be in Suzhou 🇨🇳 at #EMNLP this week presenting "What has been Lost with Synthetic Evaluation?" done with @anamarasovic.bsky.social & @lasha.bsky.social! 🎉 📍Findings Session 1 - Hall C 📅 Wed, November 5, 13:00 - 14:00 arxiv.org/abs/2505.22830
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Myra Cheng @myra.bsky.social · 03/10/2025
AI always calling your ideas “fantastic” can feel inauthentic, but what are sycophancy’s deeper harms? We find that in the common use case of seeking AI advice on interpersonal situations—specifically conflicts—sycophancy makes people feel more right & less willing to apologize.
Screenshot of paper title: Sycophantic AI Decreases Prosocial Intentions and Promotes Dependence
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Maria Ryskina @mryskina.bsky.social · 04/10/2025
Interested in language models, brains, and concepts? Check out our COLM 2025 🔦 Spotlight paper! (And if you’re at COLM, come hear about it on Tuesday – sessions Spotlight 2 & Poster 2)!
Paper title: Language models align with brain regions that represent concepts across modalities.
Authors:  Maria Ryskina, Greta Tuckute, Alexander Fung, Ashley Malkin, Evelina Fedorenko. 
Affiliations: Maria is affiliated with the Vector Institute for AI, but the work was done at MIT. All other authors are affiliated with MIT. 
Email address: maria.ryskina@vectorinstitute.ai.
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Tiago Pimentel @tpimentel.bsky.social · 01/10/2025
LLMs are trained to mimic a “true” distribution—their reducing cross-entropy then confirms they get closer to this target while training. Do similar models approach this target distribution in similar ways, though? 🤔 Not really! Our new paper studies this, finding 4-convergence phases in training 🧵
Figure showing the four phases of convergence in LM training
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Abhilasha Ravichander @lasha.bsky.social · 01/10/2025
It is PhD application season again 🍂 For those looking to do a PhD in AI, these are some useful resources 🤖: 1. Examples of statements of purpose (SOPs) for computer science PhD programs: cs-sop.org [1/4]
cs-sop.org
CS PhD Statements of Purpose
cs-sop.org is a platform intended to help CS PhD applicants. It hosts a database of example statements of purpose (SoP) shared by previous applicants to Computer Science PhD programs.
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Marzena Karpinska @markar.bsky.social · 20/08/2025
Happy to see this work accepted to #EMNLP2025! 🎉🎉🎉
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Abhilasha Ravichander @lasha.bsky.social · 12/08/2025
I am recruiting emergency reviewers for *SEM 2025 (The 14th Joint Conference on Lexical and Computational Semantics). Please DM me if you might be able to contribute a review within the next few days 🙏
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Women in AI Research - WiAIR @wiair.bsky.social · 08/08/2025
We’re thrilled to congratulate Dr. Abhilasha Ravichander (@lasha.bsky.social) and her team for receiving the Outstanding Paper Award at #acl2025 for their work titled "HALoGEN: Fantastic LLM Hallucinations and Where to Find Them"! 🏆✨ #ACL #LLMs #Hallucination #WiAIR #WomenInAI
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Maria Antoniak @mariaa.bsky.social · 06/08/2025
Status Update: I'm in the middle of my move from Denmark to Colorado! If I seem to be missing for the 1-2 weeks, that is the main reason. Picture me lost amidst suitcases, boxes, moving pods, and far too many books. Copenhagen friends, I'm here for a couple more days! Please stop by P1 to say bye 🥺
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Women in AI Research - WiAIR @wiair.bsky.social · 01/08/2025
🎙️ New Women in AI Research #WiAIR episode coming Aug 6! We talk to @lasha.bsky.social about LLM Hallucination, her award-winning HALoGEN benchmark, and how we can better evaluate hallucinations in language models. 👇 What’s inside: 1/
Speaker announcement: the new episode of the Women in AI Research WiAIR podcast is out on August 6th. Our guest is Dr. Abhilasha Ravichander, a postdoc at University of Washington and Assistant Professor at Max Planck Institute for Software Systems.
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Max-Planck-Gesellschaft @maxplanck.de · 01/08/2025
Director at Max Planck - a unique position! The Open Call for Expressions of Interest in Max Planck Directorships is open now and can be submitted by the 31st of October 2025. ➡️ mpg.de/directors - Please share the Open Call among potential candidates.
Open Call for Expressions of Interest in Max Planck Directorships:
Expressions of interest can be submitted until 31 October 2025.
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Abhilasha Ravichander @lasha.bsky.social · 30/07/2025
Super super thrilled that HALoGEN, our study of LLM hallucinations and their potential origins in training data, received an ✨Outstanding Paper Award✨ at ACL! Joint work w/i Shrusti Ghela*, David Wadden, and Yejin Choi bsky.app/profile/lash...
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Maria Ryskina @mryskina.bsky.social · 24/07/2025
Join Abhilasha's lab, she is an awesome researcher and mentor! I can attest, being her collaborator was great fun 🤩
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Shaily @shaily99.bsky.social · 23/07/2025
People applying for NLP PhDs, work with Abhilasha -- she is awesome!!
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Abhilasha Ravichander @lasha.bsky.social · 22/07/2025
📣 Life update: Thrilled to announce that I’ll be starting as faculty at the Max Planck Institute for Software Systems this Fall! I’ll be recruiting PhD students in the upcoming cycle, as well as research interns throughout the year: lasharavichander.github.io/contact.html
Kaiserslautern, Germany
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Lucy Li @lucy3.bsky.social · 22/07/2025
I'm sadly not at #IC2S2 😭, but I will be at #ACL2025 in Vienna ☕️ next week!! Please spread the word that I'm recruiting prospective PhD students: lucy3.notion.site/for-prospect...
lucy3.notion.site
For Prospective PhD Students
I’m recruiting PhD students who will begin their degree in Fall 2026! I am an incoming assistant professor at Wisconsin-Madison’s Computer Sciences department, and my research focuses on natural langu...
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Valentina Pyatkin @valentinapy.bsky.social · 03/07/2025
💡Beyond math/code, instruction following with verifiable constraints is suitable to be learned with RLVR. But the set of constraints and verifier functions is limited and most models overfit on IFEval. We introduce IFBench to measure model generalization to unseen constraints.
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Alex Gill @agill32.bsky.social · 04/06/2025
𝐖𝐡𝐚𝐭 𝐇𝐚𝐬 𝐁𝐞𝐞𝐧 𝐋𝐨𝐬𝐭 𝐖𝐢𝐭𝐡 𝐒𝐲𝐧𝐭𝐡𝐞𝐭𝐢𝐜 𝐄𝐯𝐚𝐥𝐮𝐚𝐭𝐢𝐨𝐧? (arxiv.org/abs/2505.22830) I'm happy to announce that the preprint release of my first project is online! Developed with the amazing support of @lasha.bsky.social & @anamarasovic.bsky.social
arxiv.org
What Has Been Lost with Synthetic Evaluation?
Large language models (LLMs) are increasingly used for data generation. However, creating evaluation benchmarks raises the bar for this emerging paradigm. Benchmarks must target specific phenomena, pe...
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Nadav Borenstein @nadavb.bsky.social · 21/02/2025
🚨 Preprint alert 🚨 𝐂𝐚𝐧 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 𝐍𝐨𝐭𝐞𝐬 𝐑𝐞𝐩𝐥𝐚𝐜𝐞 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐅𝐚𝐜𝐭-𝐂𝐡𝐞𝐜𝐤𝐞𝐫𝐬? (arxiv.org/abs/2502.14132) Fact-checking agencies have come under intense scrutiny in recent months regarding their role in combating misinformation on social media.
Can Community Notes Replace Professional Fact-Checkers? Work done by Nadav Borenstein, Greta Warren, Desmond Elliott, and Isabelle Augenstein.
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*SEM @starsem.bsky.social · 28/05/2025
*SEM 2025: Direct submissions deadline is now EXTENDED to June 13, 2025! *SEM will be co-located with EMNLP in Suzhou, China. It will be a hybrid event, virtual attendance possible (more info on this will be posted later). Full CFP: starsem2025.github.io/cfp #NLP #NLProc
starsem2025.github.io
Call for Papers
Official website of the 14th Joint Conference on Lexical and Computational Semantics
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Abhilasha Ravichander @lasha.bsky.social · 16/05/2025
HALoGEN will appear at #ACL2025, see you in Vienna!
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Abhilasha Ravichander @lasha.bsky.social · 13/05/2025
This is an awesome awesome-llm-unlearning resource, maintained by Chris Liu : github.com/chrisliu298/...
github.com
GitHub - chrisliu298/awesome-llm-unlearning: A resource repository for machine unlearning in large language models
A resource repository for machine unlearning in large language models - chrisliu298/awesome-llm-unlearning
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Abhilasha Ravichander @lasha.bsky.social · 31/01/2025
We are launching HALoGEN💡, a way to systematically study *when* and *why* LLMs still hallucinate. New work w/ Shrusti Ghela*, David Wadden, and Yejin Choi 💫 📝 Paper: arxiv.org/abs/2501.08292 🚀 Code/Data: github.com/AbhilashaRav... 🌐 Website: halogen-hallucinations.github.io 🧵 [1/n]
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Abhilasha Ravichander @lasha.bsky.social · 03/05/2025
Come catch our talk today at 5 PM in San Miguel!
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Ana Marasović @anamarasovic.bsky.social · 03/05/2025
I'm late to the NAACL party, but I've just arrived in Albuquerque! I'll talk about measuring faithfulness of verbalized reasoning on *Sunday* at Repl4NLP at *9:45*.
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Maria Antoniak @mariaa.bsky.social · 30/04/2025
Sadly I'm not at #NAACL2025 but @lasha.bsky.social is there to present this paper, which I helped with a bit and really like! Find her if you'd like to chat about memorization!
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Sireesh Gururaja @siree.sh · 29/04/2025
If you're at NAACL this week (or just want to keep track), I have a feed for you: bsky.app/profile/did:... Currently pulling everyone that mentions NAACL, posts a link from the ACL Anthology, or has NAACL in their username. Happy conferencing!
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Abhilasha Ravichander @lasha.bsky.social · 30/04/2025
✈️ I'm in New Mexico for #NAACL2025! Would love to meet and chat about training data, factuality, transparency, robustness, doing a PhD in AI🤖, or anything else. I love to make friends, please say hi if you see me! 🌵🌞 And check out our work at NAACL👇
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Abhilasha Ravichander @lasha.bsky.social · 28/04/2025
Stoked that HALoGEN (non-archival version) won best paper award at the TrustNLP workshop @ #NAACL2025! Our work explores LLM hallucinations and potential roots in training data. Excited to discuss more --- come find us!
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Valentina Pyatkin @valentinapy.bsky.social · 27/04/2025
I'll be at #NAACL2025: 🖇️To present my paper "Superlatives in Context", showing how the interpretation of superlatives is very context dependent and often implicit, and how LLMs handle such semantic underspecification 🖇️And we will present RewardBench on Friday Reach out if you want to chat!
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Queer in AI @queerinai.com · 25/04/2025
Announcing our first workshop keynote! "Processing Trans Languaging" by Vagrant Gautam @dippedrusk.com at 13:30 - 14:30 MDT on May 4, 2025 Read on for a description of the talk! 🧵
A headshot of Vagrant. Vagrant is outdoors, wearing a black jacket and spiked choker, and smiling.
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Yanai Elazar @yanai.bsky.social · 25/04/2025
💡 New ICLR paper! 💡 "On Linear Representations and Pretraining Data Frequency in Language Models": We provide an explanation for when & why linear representations form in large (or small) language models. Led by @jackmerullo.bsky.social, w/ @nlpnoah.bsky.social & @sarah-nlp.bsky.social
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Jacob Morrison @jacobcares.bsky.social · 23/04/2025
I'm in Singapore for @iclr-conf.bsky.social ! Come check out our spotlight paper on the environmental impact of training OLMo (link in next tweet) during the Saturday morning poster session from 10-12:30 -- happy to chat about this or anything else! DMs should be open, email works too
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Eugene Vinitsky 🍒 @eugenevinitsky.bsky.social · 14/04/2025
After a short era in which people questioned the value of academia in ML, its value is more obvious than ever. Big labs stopped publishing the minute commercial incentives showed up and are relentlessly focused on a singular vision of scaling. Academia is a meaningful complement, bringing... 1/2
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Dr. Casey Fiesler @cfiesler.bsky.social · 23/04/2025
Me: someday my research will be mentioned in the opening paragraph of a New York Times article! Also me: hmmm should have been more specific. www.nytimes.com/2025/04/22/s...
nytimes.com
National Science Foundation Terminates Hundreds of Active Research Awards (Gift Article)
The agency targeted grants focused on diversity, equity and inclusion, as well as research on misinformation.
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Yisong Yue @yisongyue.bsky.social · 19/04/2025
One of my PhD students got their visa revoked. I know of other cases amongst my AI colleagues. This is not what investing in US leadership in AI looks like. www.aljazeera.com/news/2025/4/...
aljazeera.com
US revokes nearly 1,500 student visas: Who are the targets?
Hundreds of students have had their visas cancelled and find themselves in limbo.
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Lisa Fazio @lkfazio.bsky.social · 18/04/2025
Can confirm that my NSF grant "How False Beliefs Form & How to Correct Them" was cancelled today because it is "not in alignment with current NSF priorities" Shocking that understanding how people are misled by false information is now a forbidden topic. Our work will continue but at a smaller scale
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Noam Ross @noamross.net · 19/04/2025
🚨Report your NSF grant terminations! 🚨 We are starting to collect information on NSF grant terminations to create a shared resource as we have for NIH. The more information we collect, the more we can organize, advocate, and fight back! Please share widely! airtable.com/appGKlSVeXni...
NSF Grant Termination Information Collection Form

Please use this form to submit information identifying specific NSF grants that have been cancelled for any reason after January 20, 2025.


We are tracking these grants to increase transparency, organize affected PIs, and facilitate responses, including via litigation. Please share the form as widely as possible with your networks. 


We are actively building a pipeline to organize these terminations and will soon have a tracker akin to our NIH grant tracker at https://airtable.com/appjhyo9NTvJLocRy/shrNto1NNp9eJlgpA


WE WILL NOT DISCLOSE THE IDENTITY OF ANYONE WHO USES THIS FORM TO PROVIDE INFORMATION. We will keep your identity confidential.


These resources are maintained by Noam Ross of rOpenSci and Scott Delaney of the Harvard T.H. Chan School of Public Health, with input and support from additional volunteers. For any questions, please contact Scott Delaney on Signal (sdelaney.84).


THANK YOU FOR YOUR ASSISTANCE!
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Ian Magnusson @ianmagnusson.bsky.social · 15/04/2025
🔭 Science relies on shared artifacts collected for the common good. 🛰 So we asked: what's missing in open language modeling? 🪐 DataDecide 🌌 charts the cosmos of pretraining—across scales and corpora—at a resolution beyond any public suite of models that has come before.
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