# ACE-Brain-0.6: Scaling Spatial Grounding for Physical Foundation Models > Source: > Published: 2026-10-22 02:30:02+00:00 General-purpose multimodal models, including GPT-6 Astra and Claude Opus 5.5, demonstrate broad capabilities in embodied manipulation. Our analysis indicates that this generality is accompanied by strong spatial perception, as Astra can determine where to interact with task-relevant entities amid vi