OpenAI: GPT-5.1

Facts

price input

$1.25per million tokensopenrouter-models, last checked 2026-09-14

price output

$10.00per million tokensopenrouter-models, last checked 2026-09-14

context window

400000tokensopenrouter-models, last checked 2026-09-14

status

activeopenrouter-models, last checked 2026-09-14