# comma four

Canonical page: https://agenticdevices.org/devices/comma-four/

![comma comma four](https://agenticdevices.org/images/devices/comma-four.png)

Product image: comma

comma / Vehicles & accessories

An aftermarket camera and compute unit for openpilot driver assistance in supported vehicles.

Local capable · Driver assistance · Openpilot · Automotive

$999

US listed price includes a selected vehicle harness; compatibility depends on model, year and trim. [Source ↗](https://www.comma.ai/shop/comma-four)

Sources checked November 4, 2026

## Capabilities & specifications

| Specification | Details |
| --- | --- |
| AI capabilities | Adaptive cruise control and lane centering through openpilot on compatible vehicles. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Processing location | Driver-assistance operation runs on the device; optional services add connected features. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Processor | Qualcomm Snapdragon 845 MAX. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Sensors & inputs | Three cameras, infrared driver monitoring, GPS, microphone, accelerometer and gyroscope. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Display & output | 1.9-inch OLED. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Connectivity | LTE, Wi-Fi and vehicle CAN connection through a compatible harness. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Memory & storage | 128 GB storage. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Battery or power | Not documented in reviewed sources |
| Software | openpilot. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Subscription | No account or subscription is required for on-device operation; comma prime is optional. [\[1\] ↗](https://www.comma.ai/shop/comma-four) |
| Privacy & security disclosures | Not documented in reviewed sources |

## Technical notes

-   This is driver assistance. The driver must continuously supervise the road and remain ready to take control.
-   Vehicle support and available functions vary by exact configuration. Check the compatibility list before installation.

## Sources

1.  [comma four hardware and compatibility](https://www.comma.ai/shop/comma-four)
    
    Manufacturer · Checked November 4, 2026
    
2.  [Supported vehicles](https://www.comma.ai/vehicles)
    
    Documentation · Checked November 4, 2026
    

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