POST

/v1/estimate · openai.gpt-5.4

model GPT-5.4priced per tokensource pricing page ↗

field	recorded source
pricing	Source linked above. Source trace `664e8cc2e424f39e54e2e9f31639fbedf893c79a12ab9ddb98412ead3ce873ac`

input_tokens number · usage	$2.75 / 1M
cache_read_tokens number · usage
output_tokens number · usage	$16.5 / 1M
quote	$30.25 — input_tokens 1000000 · cache_read_tokens 0 · output_tokens 1000000 base rate; long prompts re-quote