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Weixin Cai

3 accepted papers

2025

CollabLLM: From Passive Responders to Active Collaborators

ICML 2025oral

Large Language Models are typically trained with next-turn rewards, limiting their ability to optimize for long-term interaction. As a result, they often respond passively to ambiguous or open-ended user requests, failing to help users reach their ultimate intents and leading to inefficient conversa…

Cited by 1SourcePDFScholar
2025

SimulatorArena: Are User Simulators Reliable Proxies for Multi-Turn Evaluation of AI Assistants?

EMNLP 2025

Large language models (LLMs) are increasingly used in interactive applications, and human evaluation remains the gold standard for assessing their performance in multi-turn conversations. Since human studies are costly, time-consuming, and hard to reproduce, recent work explores using LLMs to simula

Cited by 0SourcePDFScholar
2023

Interactive Text Generation

EMNLP 2023long main

Users interact with text, image, code, or other editors on a daily basis. However, machine learning models are rarely trained in the settings that reflect the interactivity between users and their editor. This is understandable as training AI models with real users is not only slow and costly, but w…

Cited by 0SourceScholar