VLA Trained on Bridge Data Fails to Recognize a Hammer
svlevine · x · 2026-07-04
Sergey Levine illustrates a problem with an example: a VLA model trained on the Bridge dataset doesn't know what a "hammer" is. When asked to put a hammer on a plate to prepare an "iron-rich meal," it grabbed a spoon instead. While a reasonable guess, this exposes the model's flaws in semantic object understanding.
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