You mean C++, right?
Because language bindings isn't really what makes ChatGPT tick.
https://github.com/openai/gpt-oss/tree/main
Sure a project can be based on more than 1 language. But it seems to be mostly python.
You missed these trees on the Python forest,
https://github.com/openai/gpt-oss/blob/main/pyproject.toml
https://github.com/openai/gpt-oss/blob/main/CMakeLists.txt
You are right, they are using Docker, therefore it's written in C.
https://github.com/openai/gpt-oss/tree/main
Sure a project can be based on more than 1 language. But it seems to be mostly python.
You missed these trees on the Python forest,
https://github.com/openai/gpt-oss/blob/main/pyproject.toml
https://github.com/openai/gpt-oss/blob/main/CMakeLists.txt
You are right, they are using Docker, therefore it's written in C.