tsfmOn-device Apple Intelligence in Node.js

TypeScript SDK for Apple's Foundation Models.
No keys. No fees. It just works.

Streaming

Get responses token-by-token as the model generates them.

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Type-safe JSON generation using schemas and Apple's generation guide system.

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Define tools as classes, get structured invocations back from the model.

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Use familiar Chat-style and Responses-style APIs. Change your imports, keep your code.

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Using an AI assistant? llms.txt·llms-full.txt