ZenMux (Reseller)
GPT-5.3 Chat Pricing
API pricing for GPT-5.3 Chat via ZenMux. Input tokens cost $1.75/1M, output tokens cost $14/1M with 128K context window.
Last updated:
ToolsVision
Input Cost
$1.75
per 1M tokens
Output Cost
$14
per 1M tokens
Context Window
128K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Reseller ZenMux
Model ID openai/gpt-5.3-chat
Context Window 128K tokens
Max Output 16380 tokens
Sources