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