Codex pricing moves to API token usage instead of per-message

OpenAI published a Codex rate card that ties Codex credit usage to API token usage rather than a per-message estimate. The Hacker News thread drew 211 points and 193 comments. The OpenAI help page blocks automated access, so details beyond the headline were not verified.

Who is affected:

ChatGPT plan users who buy Codex credits.

What to do:

Check the Codex rate card before buying credits.