Complimentary tokens: GPT-5.4-mini is charged for 1m token group rather than 10m token group

Romain Huet is the ‘Head of Developer Experience’ for Open AI, sent him a DM on X with some hope that he see’s. If you have a way to contact him I would recommend it he might see the more people that message him.

For a visualisation on my side clear when the problem began.