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brax
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brax

Massively parallel rigidbody physics simulation on accelerator hardware.

by google · GitHub
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jaxphysics-simulationreinforcement-learningApache-2.0Jupyter Notebook
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Run physics simulations for robotics and other applications using a fast and differentiable physics engine.

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3.21k3.20k
2026-07-152026-08-31
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📄 About

Massively parallel rigidbody physics simulation on accelerator hardware.

brax has 3.2k stars on GitHub. It has been forked 344 times. brax is written mainly in Jupyter Notebook. It has been in active development since 2021. brax is available under the Apache-2.0 license. Its main topics are jax, physics-simulation, reinforcement-learning, robotics.

Frequently asked questions

What is brax?

Massively parallel rigidbody physics simulation on accelerator hardware.

Is brax open source?

brax is an open-source project. It is released under the Apache-2.0 license.

Is brax free?

Yes. brax is free and open source — you can use, modify and self-host it.

What license does brax use?

brax is available under the Apache-2.0 license.

What language is brax written in?

brax is written mainly in Jupyter Notebook.

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