Alex Vogiatzis
alexvog
AI & ML interests
Physical AI, robotics data, evaluation frameworks, VLA models, LLM-as-judge reliability, reward hacking in post-training, grounded verification for multimodal judges, egocentric video, teleoperation data.
Recent Activity
upvoted an article 2 days ago
NVIDIA Isaac GR00T N1.7: Open Reasoning VLA Model for Humanoid Robots updated a collection 8 days ago
Physical AI updated a collection 8 days ago
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