Small Models Beat Large Ones in VLM Grounding with Tool Use

mervenoyann · x · 2026-08-14

Merve from Hugging Face shared valuable insights on Visual Language Models (VLMs) for grounding. Jason QSY added technical context, noting that in the ScreenSpot Pro benchmark, small models like Muse Glimmer or Gemma generally underperform larger models like Muse Spark. However, equipping small models with a Python crop tool provides significant leverage, dramatically improving their grounding capabilities.

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