SpatialClaw lands at NeurIPS and powers NVIDIA Nemotron 3.5 Super VL training data

CMHungSteven · x · 2026-10-16

The author announces SpatialClaw was accepted to NeurIPS 2026 and used to build agentic vision training data for NVIDIA Nemotron 3.5 Super VL, contributing 14,169 trajectories and 81,366 actions for video understanding. SpatialClaw is a training-free action-interface harness with no model-specific tuning; across 20 spatial benchmarks it lifts GPT-6 Astra from 71.3 to 77.4, Opus 5 from 58.5 to 73.5 (+15.0), GPT-6 Sol from 61.2 to 72.9, and Qwen3.8-27B from 59.8 to 67.3. The takeaway: even the strongest models gain significantly from a persistent Python kernel action layer. Paper, code, and report are public.

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