gpt-oss-120b and gpt-oss-20b are two open-weight language models
Safety reasoning models built-upon gpt-oss
An unofficial C#/.NET SDK for accessing the OpenAI GPT-3 API
Python framework for AI workflows and pipelines with chain of thought
LLMs for your CLI
OpenAI’s compact 20B open model for fast, agentic, and local use
OpenAI’s open-weight 120B model optimized for reasoning and tooling