ZenMux (Reseller)
GPT-5.1-Codex Pricing
API pricing for GPT-5.1-Codex via ZenMux. Input tokens cost $1.25/1M, output tokens cost $10/1M with 400K context window.
Last updated:
ReasoningToolsVision
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 ZenMux
Model ID openai/gpt-5.1-codex
Context Window 400K tokens
Max Output 64000 tokens
Cache Read Cost $0.12/1M
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