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Black Forest Labs FLUX 3 Action Challenges Nvidia With Open Robot Weights
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Fusion42 · 25 September 2026 · Fusion42 review
Black Forest Labs released FLUX 3 Action, a 7-billion-parameter open-weight model for general-purpose robot control that outperforms Nvidia's larger Cosmos 3 Nano policy on the RoboLab-120 simulation benchmark. The model integrates video and robot action prediction, is released with code and checkpoints for adaptation, and is developed with Nvidia and Hugging Face support.
This Wire brief sits within Fusion42's coverage of Robotics and AI Infrastructure.
◆ ◆ The Wire takeaway
You face a new standard for robot control models with FLUX 3 Action's efficient, open-weight design leading benchmark scores. Adapting or integrating this shared video-action model could speed your robotics development beyond Nvidia's offerings today.
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1 source · 25 Sep 2026
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