π₀.₅ hits 64% on LIBERO-Long with just 25 demos vs GR00T's 52% with 100

rahulshivchand · x · 2026-11-11

A repeated thread post: π₀.₅ is the most sample-efficient VLA across all four LIBERO tasks, needing 2-5× fewer demos than GR00T N1.7; on LIBERO-Long it reaches 64% with 25 demos vs N1.7's 52% with 100. Overlaps with other thread posts.

Related event: New paper quantifies VLA sample efficiency: π0.5 needs the fewest demonstrations(9 posts)→

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