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Comma Keeps Driving Decisions Fully On Device
- Comma keeps inference fully on-device; connectivity is only needed for updates and uploading data for training.
- Harald Schäfer says the data center exists for training and simulation, not for user-facing runtime services.
Heat Limits Edge Compute More Than Algorithms
- Edge autonomy still faces harsh thermal limits: Comma's windshield device uses far less compute than Tesla's FSD hardware.
- Harald Schäfer says an external GPU could unlock roughly 100x larger models and noticeable gains like better traffic-light recognition.
Comma Targets Simple Retrofit And Familiar Controls
- Installing Comma is designed as a simple retrofit: connect near the rearview mirror, stick the device to the windshield, and use the car's cruise-control button.
- Harald Schäfer says the current product already feels best on highways, while city red-light behavior is still being polished.



