Why did facial recognition work on the G4 without a paid subscription where as the G400 requires a paid subscription?
Hi. It comes down to where the AI processing for these specific features actually takes place, according to the official product descriptions:
- Aqara Video Doorbell G4: This model features local AI-based facial recognition. The analysis is performed directly on the device’s built-in hardware, which is why this feature is completely free and works without any subscription.
- Aqara Doorbell Camera G400: While it handles basic motion and person detection locally, the advanced detection options (identifying faces, packages, animals, and vehicles) rely on Cloud AI processing. Running these resource-intensive AI models on cloud servers constantly generates computing and infrastructure costs. Since Aqara (like most smart home brands) rents this cloud power from third-party providers (such as Amazon Web Services or Alibaba Cloud), these recurring expenses are covered by the paid subscription.
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