Open robotics breakthrough (MolmoAct2)
Key Questions
What is MolmoAct2 and how does it compare to GPT-5?
MolmoAct2 is an open-source model from AI2 that outperforms GPT-5 on embodied reasoning tasks. It features adaptive depth and delivers a 37x speedup for robot control.
What dataset accompanies the MolmoAct2 release?
AI2 released a 720-hour bimanual manipulation dataset alongside MolmoAct2 to support further open robotics research.
How does MolmoAct2 advance real-world robot control?
By combining strong embodied reasoning with major speed improvements, MolmoAct2 represents a significant step toward practical open-source robot deployment.
AI2's MolmoAct2 open-source model outperforms GPT-5 on embodied reasoning with adaptive depth and 37x speedup; major advance for real-world robot control.
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Updated May 25, 2026