POST

/v1/estimate · openai/gpt-5.5

field	recorded source
pricing	Source linked above. Source trace `a010d8268d3515279f6602c83ab37d0c871e61cad7e8d87aa93c5f06d928f17d`

input_tokens number · usage	$5 / 1M
output_tokens number · usage	$30 / 1M
web_searches number · usage
cache_read_tokens number · usage
quote	$55 — input_tokens 1000000 · output_tokens 1000000 · web_searches 0 · cache_read_tokens 0 base rate; long prompts re-quote