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On-device moderation: privacy and cost, solved together

DP
Daniel Park
May 9, 2026 · 4 min
Product Lead
Moderation playground with threshold controls

Content moderation is usually framed as a cost center: every image and message becomes an API call. Move it on-device and the economics flip.

Nothing to upload

Nosmai Moderation classifies images, video and text directly on the device. Because nothing is uploaded, there is no per-call bill and no new data-handling surface to defend in a compliance review.

Your policy, your thresholds

Live stream moderation pipeline running on-device

Every item gets a confidence score per category, and you set the cut-off, globally or per category. Adjust at runtime, ship a remote config flip without an app release, and tighten as you learn how your community behaves.

Moderation that never sees a server is cheaper, faster, and easier to certify. There is no trade-off to make. — Daniel Park

Where to go from here

If you are weighing build vs buy on moderation, the cost story usually decides it. With a per-call model, you are bidding against your own growth. With on-device, you are bidding once. That is the version we wanted to be able to buy ourselves.

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