Gpt Oss

sglangPython

A high-performance serving framework for large language models and multimodal models, delivering low-latency and high-throughput inference.

harmonyRust

A renderer and parser for the harmony response format used with OpenAI's gpt-oss open-weight models.

Atomic ChatTypeScript

An open-source ChatGPT alternative that runs 100% offline on your computer with local LLMs or cloud model connections.