MolmoAct 2

What it does

MolmoAct 2 is an open Action Reasoning Model that reasons in 3D before directing robot actions, handles bimanual tasks without per-task fine-tuning, and runs up to 37x faster than MolmoAct. For robotics researchers and ML engineers.

MolmoAct 2 is a fully open robotics foundation model that brings faster, stronger 3D action reasoning to real-world robot tasks, alongside a major new bimanual manipulation dataset for researchers to study, reproduce, and build on.

In the weeks since release, MolmoAct 2 artifacts have been downloaded more than 400K times. Today we're opening the full code and training data behind the model: fine-tuning scripts, every dataset used during training, all of our evaluation rollouts, and the training recipe for the open source MolmoAct 2 tokenizer. Anyone can now adapt MolmoAct 2 to new hardware or extend it to different tasks. MolmoAct 2 inference and training are also now integrated into Hugging Face’s LeRobot platform , so teams already working in the LeRobot ecosystem can drop the model into their existing setup without retooling. Thanks to the research community for building on and helping to improve MolmoAct 2. We…from allenai.org

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