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README
openpilot
openpilot is an operating system for robotics.
Currently, it upgrades the driver assistance system in 300+ supported cars.
Docs
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Roadmap
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Contribute
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Community
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Try it on a comma four
Quick start: bash
Using openpilot in a car
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To use openpilot in a car, you need four things:
1. Supported Device: a comma four, available at comma.ai/shop/comma-four.
2. Software: The setup procedure for the comma four allows users to enter a URL for custom software. Use the URL openpilot.comma.ai to install the release version.
3. Supported Car: Ensure that you have one of the 300+ supported cars.
4. Car Harness: You will also need a car harness to connect your comma four to your car.
We have detailed instructions for how to install the harness and device in a car. Note that it's possible to run openpilot on other hardware, although it's not plug-and-play.
Branches
Running master and other branches directly is supported, but it's recommended to run one of the following prebuilt branches:
| comma four branch | comma 3X branch | URL | description |
|------------------------|------------------------|----------------------------------------|-------------------------------------------------------------------------------------|
| release-mici | release-tizi | openpilot.comma.ai | This is openpilot's release branch. |
| release-mici-staging | release-tizi-staging | openpilot-test.comma.ai | This is the staging branch for releases. Use it to get new releases slightly early. |
| nightly | nightly | openpilot-nightly.comma.ai | This is the bleeding edge development branch. Do not expect this to be stable. |
| nightly-dev | nightly-dev | installer.comma.ai/commaai/nightly-dev | Same as nightly, but includes experimental development features for some cars. |
For chestnut, use the following installer URLs:
| branch | URL | description |
|------------------------------|------------------------------------------------------------|-------------------------------------------------------------------------------------|
| nightly-chestnut | installer.comma.ai/commaai/nightly-chestnut | This is the bleeding edge development branch. Do not expect this to be stable. |
| nightly-chestnut-dev | installer.comma.ai/commaai/nightly-chestnut-dev | Same as nightly, but includes experimental development features for some cars. |
To start developing openpilot
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openpilot is developed by comma and by users like you. We wTop issues
#36088comma 3X: persistent and silent speaker malfunction27 comments · 2025-09-01#25389paramsd: doesn't work on Ram HD trucks27 comments · 2022-08-08#32778UI doesn't show camera feed for CTF replay route17 comments · 2024-06-18#32425test_models: add a test that fuzzes the tx messages13 comments · 2024-05-14#32386Ship Ubuntu 24.04 + mainline kernel to master11 comments · 2024-05-09#30950Match stock Hyundai button logic9 comments · 2024-01-10#30294Move UI from GPU -> CPU8 comments · 2023-10-20#38291Setup mass storage for accessing drives7 comments · 2026-07-05
Latest release
0.11.2 Release v0.11.2 2026-10-23Check out our release blog post for more details! New driving model Big model with 880M parameters Support for big models running on an external GPU Live stream cameras from comma connect Generate dashcam clips from comma connect Remote comma body control from comma connect New alert sounds CUPRA Born 2021-2023 support thanks to DaHansi! Volkswagen ID.4 2021-2025 support thanks to DaHansi!