Implementing Fully Local AI Replies Using Apple Intelligence

amos_gyamfi · x · 2026-08-12

A developer successfully integrated a "Reply with AI" feature into Stream Chat for iOS/SwiftUI using Apple Intelligence and Foundation Models. Users can long-press a message to generate a draft, with the entire process running offline to ensure complete privacy.

This solution allows developers to bring their own open-source Core AI models. Apple's open-source coreai-models repository on GitHub currently provides extensive conversion recipes to convert popular open-source models into the .aimodel format, including Gemma3, Mistral, Mixtral, Qwen2/3, Flux2, Stable Diffusion, and Whisper.

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