Back when I experimented with getting ChatGPT by paying for API access rather than the official subscription, the credit was denominated in money, not in tokens.
Compute does whatever it does, but $5 sitting in an account to be spent on tokens at some arbitrary time in the future, earns money for OpenAI etc. even when they didn't make it expire.
Compute does whatever it does, but $5 sitting in an account to be spent on tokens at some arbitrary time in the future, earns money for OpenAI etc. even when they didn't make it expire.