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Benoit Dumoulin

2 accepted papers

2026

Seeing but Not Believing: Probing the Disconnect Between Visual Attention and Answer Correctness in VLMs

ICLR 2026poster

Vision-Language Models (VLMs) achieve strong results on multimodal tasks such as visual question answering, yet they can still fail even when the correct visual evidence is present. In this work, we systematically investigate whether these failures arise from not perceiving the evidence or from not…

Cited by 0SourceScholar
2026

TRAJECT-Bench:A Trajectory-Aware Benchmark for Evaluating Agentic Tool Use

ICLR 2026poster

Large language model (LLM)-based agents increasingly rely on tool use to complete real-world tasks. While existing works evaluate the LLMs' tool use capability, they largely focus on the final answers yet overlook the detailed tool usage trajectory, i.e., whether tools are selected, parameterized, a…

Cited by 0SourcecodeScholar