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DraftKey brings private, on-device AI writing assistance to native macOS text fields

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A Mac app called DraftKey has been developed to provide AI-powered autocomplete and text rewriting directly within existing macOS text fields, without requiring users to switch to a separate chat window. The app runs entirely on-device using Apple Silicon, meaning user text is never sent to an external server. Its creator argues that the biggest challenge in building a local AI writing tool is not choosing the right model, but designing a workflow that feels seamless and unobtrusive. DraftKey supports instruction-based rewriting on selected text and is intended to function as a lightweight layer over whichever text editor a user already prefers. The developer acknowledges tradeoffs such as model download requirements and hardware-dependent performance, but considers these acceptable given the privacy benefits.

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