>if PostHog was able to do what they're doing on the stack you're abandoning, do you think that stack is actually going to limit your scalability in any way that matters?

Also, considering the project is an AI framework, do you think the language ChatGPT is built on is a worse choice than the language we use because it's in the browser?

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.