Azure (Reseller)
GPT-5.1 Codex Pricing
API pricing for GPT-5.1 Codex via Azure. Input tokens cost $1.25/1M, output tokens cost $10/1M with 400K context window.
Last updated:
ReasoningTools
Input Cost
$1.25
per 1M tokens
Output Cost
$10
per 1M tokens
Context Window
400K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Reseller
Azure
Model ID
gpt-5.1-codex
Context Window
400K tokens
Max Output
128000 tokens
Cache Read Cost
$0.125/1M
Sources