Does this mean there’s no such thing as a “subscription” to ChatGPT for businesses? I thought they offered businesses a subscription with some amount of built in quota previously, including for the side products like codex and sora.

There are still subscriptions that give access to both ChatGPT and Codex, but with a much smaller usage quota than before the change (which came at the same time as the end of the 2x promo). I couldn't find the equivalent in terms of credit for the usage included with these $20/25 seats...