AnalysisAI ModelsAugust 5, 2026

VibeVoice 1.5B runs on iPhone locally with 2.2 GB footprint

A demo shows the 1.5B voice model running on-device on an iPhone, using ~2.2 GB of memory and reaching up to 1.28× real-time generation speed. VRAM usage stayed stable during a minute-long long-form generation test, per the developer.

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