piston
A proof-of-concept library and web playground for training small sequence models such as Transformers and LSTMs directly in the browser using WebGPU. It is for learning and experimentation.
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Share on XLicense: MIT
Overview
Piston is a proof-of-concept automatic differentiation library that runs on WebGPU, and Sequence Toy is the web playground built on it. Together they let you train small sequence models such as Transformers, LSTMs, GRUs and vanilla RNNs directly in the browser. Piston is a fork of Ratchet with autodiff added, so it is best seen as a learning and experimentation project.
Key features
- Trains sequence models in the browser with WebGPU
- Supports Transformers, LSTMs, GRUs and vanilla RNNs
- Automatic differentiation library written in Rust
- Sequence Toy web playground included
Best for
People who want to experiment with training small language models in a browser. The author describes Piston as a proof of concept, so do not expect a production framework.
- Upstream
- vinhowe/piston
- Fork on GitHub
- Guo-astro/piston
- Upstream stars
- 36
- Category
- AI agents and LLM tools
- Language
- Rust
- License
- MIT
- Forked
- 2025-11-21
- Sync status
- In syncLast synced 2026-10-19
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