activity
20242026
collaborators

26 papers

cs.LG2026

QVal: Cheaply Evaluating Dense Supervision Signals for Long-Horizon LLM Agents

Sergio Hernández-Gutiérrez, Matteo Merler, Ilze Amanda Auzina +3

LLM agents increasingly act over long horizons, where a single trajectory can contain hundreds or thousands of actions. In these settings, outcome-only rewards provide too sparse g…

cs.CV2026

DataComp-VLM: Improved Open Datasets for Vision-Language Models

Matteo Farina, Vishaal Udandarao, Thao Nguyen +34

Building performant Vision-Language Models (VLMs) requires carefully curating large-scale training datasets, yet the community lacks systematic benchmarks for evaluating such curat…

cs.MM2026

VGGSounder: Audio-Visual Evaluations for Foundation Models

Daniil Zverev, Thaddäus Wiedemer, Ameya Prabhu +3

The emergence of audio-visual foundation models underscores the importance of reliably assessing their multi-modal understanding. The VGGSound dataset is commonly used as a benchma…

cs.CL2026

Round-Trip Translation Reveals What Frontier Multilingual Benchmarks Miss

Ronald Skorobogat, Ameya Prabhu, Matthias Bethge

Multilingual benchmarks guide the development of frontier models. Yet multilingual evaluations reported by frontier models are structured similar to popular reasoning and knowledge…

cs.CV2026

Personalizing Text-to-Image Generation to Individual Taste

Anne-Sofie Maerten, Juliane Verwiebe, Shyamgopal Karthik +3

Modern text-to-image (T2I) models generate high-fidelity visuals but remain indifferent to individual user preferences. While existing reward models optimize for "average" human ap…

cs.SE2026

PostTrainBench: Can LLM Agents Automate LLM Post-Training?

Ben Rank, Hardik Bhatnagar, Ameya Prabhu +4

AI agents have become surprisingly proficient at software engineering over the past year, largely due to improvements in reasoning capabilities. This raises a deeper question: can…