Dimitris Papailiopoulos

Principal Researcher

Publications

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- Open-World Evaluations for Measuring Frontier AI Capabilities
  
  Sayash Kapoor, Peter Kirgis, Andrew Schwartz, Stephan Rabanser, J.J. Allaire, Rishi Bommasani, Harry Coppock, Magda Dubois, Gillian K. Hadfield, Andy Hall, Sara Hooker, Seth Lazar, Steve Newman, Dimitris Papailiopoulos, Shoshannah Tekofsky, Helen Toner, Cozmin Ududec, Arvind Narayanan
  
  May 2026
  
  Publication
- MEMENTO: Teaching LLMs to Manage Their Own Context
  
  Vasilis Kontonis, Yuchen Zeng, Shivam Garg, Lingjiao Chen, Hao Tang, Ziyan Wang, Ahmed Awadallah, Eric Horvitz, John Langford, Dimitris Papailiopoulos
  
  April 2026
  
  Publication
- Sample More to Think Less: Group Filtered Policy Optimization for Concise Reasoning
  
  Vaishnavi Shrivastava, Ahmed Awadallah, Vidhisha Balachandran, Shivam Garg, Harkirat Behl, Dimitris Papailiopoulos
  
  ICLR 2026 | August 2025
  
  Publication Author's Version

- Open-World Evaluations for Measuring Frontier AI Capabilities
  
  Sayash Kapoor, Peter Kirgis, Andrew Schwartz, Stephan Rabanser, J.J. Allaire, Rishi Bommasani, Harry Coppock, Magda Dubois, Gillian K. Hadfield, Andy Hall, Sara Hooker, Seth Lazar, Steve Newman, Dimitris Papailiopoulos, Shoshannah Tekofsky, Helen Toner, Cozmin Ududec, Arvind Narayanan
  
  May 2026
  
  Publication
- MEMENTO: Teaching LLMs to Manage Their Own Context
  
  Vasilis Kontonis, Yuchen Zeng, Shivam Garg, Lingjiao Chen, Hao Tang, Ziyan Wang, Ahmed Awadallah, Eric Horvitz, John Langford, Dimitris Papailiopoulos
  
  April 2026
  
  Publication
- Sample More to Think Less: Group Filtered Policy Optimization for Concise Reasoning
  
  Vaishnavi Shrivastava, Ahmed Awadallah, Vidhisha Balachandran, Shivam Garg, Harkirat Behl, Dimitris Papailiopoulos
  
  ICLR 2026 | August 2025
  
  Publication Author's Version
- MEMENTO: Teaching LLMs to Manage Their Own Context
  
  Vasilis Kontonis, Yuchen Zeng, Shivam Garg, Lingjiao Chen, Hao Tang, Ziyan Wang, Ahmed Awadallah, Eric Horvitz, John Langford, Dimitris Papailiopoulos
  
  April 2026
  
  Publication

- Open-World Evaluations for Measuring Frontier AI Capabilities
  
  Sayash Kapoor, Peter Kirgis, Andrew Schwartz, Stephan Rabanser, J.J. Allaire, Rishi Bommasani, Harry Coppock, Magda Dubois, Gillian K. Hadfield, Andy Hall, Sara Hooker, Seth Lazar, Steve Newman, Dimitris Papailiopoulos, Shoshannah Tekofsky, Helen Toner, Cozmin Ududec, Arvind Narayanan
  
  May 2026
  
  Publication
- MEMENTO: Teaching LLMs to Manage Their Own Context
  
  Vasilis Kontonis, Yuchen Zeng, Shivam Garg, Lingjiao Chen, Hao Tang, Ziyan Wang, Ahmed Awadallah, Eric Horvitz, John Langford, Dimitris Papailiopoulos
  
  April 2026
  
  Publication
- Sample More to Think Less: Group Filtered Policy Optimization for Concise Reasoning
  
  Vaishnavi Shrivastava, Ahmed Awadallah, Vidhisha Balachandran, Shivam Garg, Harkirat Behl, Dimitris Papailiopoulos
  
  ICLR 2026 | August 2025
  
  Publication Author's Version

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