ChatGPT Code Interpreter is still my favorite implementation of the pattern where an LLM can write code, run it, see any errors and iterate to fix them
It's been stuck on GPT-4o for ages - today it got a huge upgrade and now work with GPT4.5 and o3-mini!
simonwillison.net/2025/Mar/5/c...
Demo of ChatGPT Code Interpreter running in o3-mini-high
OpenAI made GPT-4.5 available to Plus ($20/month) users today. I was [a little disappointed](https://simonwillison.net/2025/Feb/27/introducing-gpt-45/) with GPT-4.5 when I tried it through the API, bu...