Abstention

Agentic Abstention: Do Agents Know When to Stop Instead of Act? featured image

Agentic Systems

Agentic Abstention: Do Agents Know When to Stop Instead of Act?

A benchmark and analysis of when tool-using LLM agents should stop and abstain rather than continue acting.

May 1, 2026 • 1 min read

MARVEL: Modular Abstention for Reliable and Versatile Expert LLMs featured image

Large Language Models

MARVEL: Modular Abstention for Reliable and Versatile Expert LLMs

A modular abstention framework for reliable expert LLMs that enables selective abstention from uncertain questions.

Jul 1, 2025 • 1 min read

Know Your Limits: A Survey of Abstention in Large Language Models featured image

Large Language Models

Know Your Limits: A Survey of Abstention in Large Language Models

A comprehensive survey of abstention mechanisms in large language models, covering theory, implementation, and evaluation.

Feb 1, 2025 • 1 min read

Characterizing LLM Abstention Behavior in Science QA with Context Perturbations featured image

Large Language Models

Characterizing LLM Abstention Behavior in Science QA with Context Perturbations

Characterizing LLM abstention behavior in science QA with context perturbations.

Oct 1, 2024 • 1 min read