Preprint
Jul 2026
MM-ToolSandBox: A Unified Framework for Evaluating Visual Tool-Calling Agents
Evaluating 12 state-of-the-art models, from 4B open-weight to frontier proprietary systems, shows that current models still lack robust visual tool-calling capability: even the best model achieves below 50% success rate, suggesting fundamentally different research directions for improving models at different capability...
Kaixin Ma, Di Feng, Alexander Metz et al.
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