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Show HN: Weightlift – the missing package manager for downloading model weights

Summary

Weightlift is a small library that streamlines model weight downloading, caching, and progress display for on-device web-based AI apps, supporting transformers.js, ONNX, prakeet, and more.

SourceHacker News AIAuthor: wassimgr
Show HN: Weightlift – the missing package manager for downloading model weights
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If you’re building an on-device web-based AI app, you’ve probably built this 50 times already:

Something that tells your users which models are available to download or already cached, then shows progress as they’re being downloaded.

While building Rescript (see https://github.com/wassgha/rescript ), I had to build this exact same pattern.

So I built it into a tiny library that streamlines that across transformers.js, onnx, prakeet and pretty much any model provider.

Give it a try :)

Key points and analysis

Article intelligence

EngineersIntermediate

Key points

  • Solves the repetitive pattern of building model download and cache UI in on-device web AI apps.
  • Provides a unified API that works across transformers.js, ONNX, prakeet, and other providers.
  • Born from the author's practical need while building Rescript.

Highlights and analysis are generated automatically and may contain errors. Check the original source.