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16,109 papers

#artificial intelligence Preprint Oct 2026

AgentSWE: Can Coding Agents Build the Agent You Actually Want?

AgentSWE is introduced, a benchmark for agent software engineering spanning three stages of the agent development lifecycle: Creation of a complete agent from a natural-language requirement, Editing of production agent codebases, and Optimization toward a measurable target.

Jia-Hao Wang, Hong-Jin Qian, Yuyang Hu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Tabular Foundation Models Are Effectively Shallow

In-context-learning Tabular Foundation Models (TFMs) are uniquely suited to scenarios with limited resources or privacy constraints, as they solve new tasks without additional training. However, their architecture consists of multiple transformer blocks, resulting in high computational and memory footprints. Meanwhile,...

Irene Cannistraci, Julia E. Vogt · 0 citations
#artificial intelligence Preprint Oct 2026

ReSFlow: Rectifying Categorical Flows on Statistical Manifolds for One-Step Generation

Generative modeling for discrete data has been significantly advanced by learning continuous vector fields on the statistical manifolds to transport simple priors to target discrete distributions. However, because these continuous-time flows are not constrained to follow geodesics on the statistical manifold, thereby r...

Xiao-Huan Jia, Renzhe Xu, Xiao Wang et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Does Learning Recurrent Networks Matter in Partially Observable RL?

Surprisingly, frozen recurrent networks support recall over hundreds of steps and achieve competitive control performance across diverse POMDPs, while using less than half the number of trainable parameters required by their fully trainable counterparts.

Ze-Kang Wang, Zhe He, Gao-Jie Jin · 0 citations
#artificial intelligence Preprint Oct 2026

Continually Post-training Small Models via Synthetic Self-distillation

Continual post-training faces a dual challenge of acquisition and retention: models must learn new capabilities while preserving prior knowledge. While Self-Distillation Fine-Tuning (SDFT) mitigates this using self-supervision with in-context demonstrations, it relies on strong in-context learning and instruction-follo...

Woosung Koh, Hyunsoo Lee, Kyungjae Lee et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

CoBe: A Benchmark For Conversational Counterfactual Text Editing

Counterfactual text editing is the ability to revise a given text in light of a hypothetical change while preserving facts not causally affected by that change. When asked what would have happened if a doctor had not recommended surgery, the model output should retain the patient's medical history and modify only the c...

Arvind Raghavan, Inwoo Hwang, Shreyas Havaldar et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Generalized Proximal Policy Optimization: Unifying LLM RL Algorithms from the Perspective of Divergence

Reinforcement learning has become the foundational paradigm for enhancing the reasoning capabilities of LLMs. Yet the dominant approach, Proximal Policy Optimization (PPO), relies on a geometrically degenerate clipping proxy that cannot adapt its resistance to policy shifts, leading to premature clipping and degraded e...

Zhi-Cheng Cai, Xin-Yuan Guo, Han Wu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

What Should SFT Learn? Conditional Information Gain for Generalizable Post-Training

Supervised fine-tuning (SFT) remains a widely used approach for post-training large language models, because fixed demonstrations can directly introduce desired reasoning strategies and behavioral patterns. Yet forcing a model to imitate externally provided trajectories may also interfere with behaviors already support...

Yuxuan Gu, Ke-Quan Niu, Xiao-Cheng Feng et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

JoyInside-VLM-Agent: Product-Conditioned Multimodal Policy Learning for Embodied Agents

Embodied agents must translate multimodal observations and user requests into executable actions while adapting to product constraints, changing goals, and execution feedback. We present JoyInside-VLM-Agent, a ReAct-style multimodal agent developed through product-conditioned trajectory construction and staged policy l...

Gangyi Li, LuYao Wang, Jingfu Sun et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

When Generative Models Act as Simulators

A simulator summarizes an environment in a state that users can read and change. Generative models learn representations of the world without explicit specification, but offer no built-in way to edit that world's state. We investigate the conditions under which a generative model can act as a simulator through $\textit...

Sevan Brodjian, Michael Hobley, Pietro Perona · 0 citations
#artificial intelligence Preprint Oct 2026

COFFEQA: Counterfactual-Guided Few-Shot Distillation for LLM Question Answering

Knowledge distillation aims to train a smaller student model to mimic a larger teacher model for resource-constrained environments. However, the process of distillation is typically data-intensive and computationally expensive, particularly for generative tasks. Few-shot distillation offers an alternative by transferri...

Kavinda Kehelella, Sanghamitra Dutta · 0 citations
#artificial intelligence Preprint Oct 2026

Meta-Reflective Evolution Effectively Improves Production AI Systems

Large Language Model (LLM)-guided evolutionary optimization has successfully improved prompts, programs, and even entire AI systems. Most optimization methods select a candidate from the search frontier, then mutate it in one LLM pass based only on its failures. This focus on the frontier can stall on production AI sys...

Seunghyun Yoo, Chang Zeng, Aditi Somayajula et al. · 0 citations

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MIT News · Artificial Intelligence Oct 28, 2026

Making machines that can listen

Professor Paris Smaragdis develops computers with superhuman hearing for applications like speech recognition, music understanding, and environmental monitoring.

MIT News · Artificial Intelligence Oct 23, 2026

Q&A: How AI came to model the “messy” human mind

Assistant Professor Benjamin Lindquist studies how engineers deliberately injected randomness into early AI, giving rise to deep-learning models that sometimes hallucinate.

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