OpenAI: GPT-5.1 Token Price

GPT-5.1 costs $1.25 / 1M input and $10 / 1M output. The blended price is $3.44 / 1M, with a price score of 44.

Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC

Input
$1.25 / 1M
Output
$10 / 1M
Blended
$3.44 / 1M
Price score
44

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Frequently asked questions

What is the token price of OpenAI: GPT-5.1?

GPT-5.1 costs $1.25 / 1M input and $10 / 1M output. The blended price is $3.44 / 1M, with a price score of 44.