Ax Zhenfeng Lin, Haoji Hu, Ming Hao, Xuchao Zhang, Ryan Zhang, Junhao Li, Ze Li, Oleg Kulygin, Chetan Bansal, Hatay Tuna, Murali Chintalapati, Sheila Jiang, Salman Zafar, Angie Anderson 4/7/2026

ActionNex: A Virtual Outage Manager for Cloud

Production-grade agentic system for cloud outage management supporting real-time updates, knowledge distillation, and role-conditioned action recommendations from multimodal operational data.

Ax Mika Okamoto, Ansel Kaplan Erol, Mark Riedl 4/7/2026

Explainable Model Routing for Agentic Workflows

Proposes explainable routing architecture for agentic workflows that decomposes tasks to specialized models, recording cost-capability trade-offs with clear rationale for routing decisions.

Ax Jinxi Xiang, Siyu Hou, Yuchen Li, Ryan Quinton, Xiaoming Zhang, Feyisope Eweje, Xiangde Luo, Yijiang Chen, Zhe Li, Colin Bergstrom, Ted Kim, Sierra Willens, Francesca Maria Olguin, Matthew Abikenari, Andrew Heider, Sanjeeth Rajaram, Joel Neal, Maximilian Diehn, Xiang Zhou, Ruijiang Li 4/7/2026

A Multimodal Foundation Model of Spatial Transcriptomics and Histology for Biological Discovery and Clinical Prediction

Foundation model trained on 1.2M spatial transcriptomics profiles combining gene expression mapping with histology for biological discovery.

Ax Erhan Zhang, Yiqun Chen, Zechun Niu, Wei Yang, Xiaochi Wei, Yan Gao, Yi Wu, Yao Hu, Jiaxin Mao 4/7/2026

PRAISE: Prefix-Based Rollout Reuse in Agentic Search Training

PRAISE: Training method for agentic search using prefix-based rollout reuse to improve RL efficiency and address reward sparsity in multi-turn QA.

Ax Hanchen Li, Runyuan He, Qizheng Zhang, Changxiu Ji, Qiuyang Mang, Xiaokun Chen, Lakshya A Agrawal, Wei-Liang Liao, Eric Yang, Alvin Cheung, James Zou, Kunle Olukotun, Ion Stoica, Joseph E. Gonzalez 4/7/2026

Combee: Scaling Prompt Learning for Self-Improving Language Model Agents

Combee enables scaling prompt learning for self-improving LLM agents through parallelized learning from multiple agent runs.

Ax Saad Alqithami 4/7/2026

Soft Tournament Equilibrium

Soft Tournament Equilibrium: evaluation framework for non-transitive AI agent interactions producing set-valued rankings instead of linear orderings.

Ax Saurav Jha, Maryam Hashemzadeh, Ali Saheb Pasand, Ali Parviz, Min-Joong Lee, Boris Knyazev 4/7/2026

REAM: Merging Improves Pruning of Experts in LLMs

REAM: novel method for pruning experts in Mixture-of-Experts LLMs by merging experts during pruning. Reduces memory requirements for deployment.