"The gpt-audio model is our first generally available audio model. It accepts audio inputs and outputs, and can be used in the Chat Completions REST API."

gpt-audio pricing (1M):

text input $2.50, text output $10.00

audio input $32.00, audio output $64.00

gpt-audio-mini pricing (1M):

text input $0.60, text output $2.40

audio input $10.00, audio output $20.00