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Swift Transformers 1.0 Released

·2025.09.26 09:00

Key point

Hugging Face released version 1.0 of the Swift library that supports local LLM integration on Apple Silicon.

Details

swift-transformers is a Swift library that makes it easy to integrate local models on Apple Silicon platforms such as iPhone and Mac.

The main components are as follows:

  • Tokenizers: High-performance tokenizers that support chat templates and agentic features.
  • Hub: An interface that connects with the Hugging Face Hub to support model downloads, caching, and offline mode.
  • Models & Generation: Wrappers that make it easy to run LLMs converted into Core ML format.

With this 1.0 update, Tokenizers and Hub have been separated into independent top-level modules, improving ease of use, and collaboration with the swift-jinja library has significantly improved chat template processing speed. Going forward, the development team plans to focus on MLX and Agentic use cases.

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