Headline/article is extremely misleading. They still have subscription plans with included usage, but those usage limits are now based on tokens instead of messages.
I didn't see this over the weekend, caught me off guard this morning when i found out i have 0 credits left for the week. I had really started to like it too but now ill be going back to claud fulltime.
https://help.openai.com/en/articles/20001106-codex-rate-card