GPT 5.3 Codex pricing

GPT 5.3 Codex (openai/gpt-5.3-codex) from openai on Zoo Gateway: $1.94 per million input tokens and $15.6 per million output tokens. Context window 400K. Prices are per million tokens through Zoo Gateway.

GPT 5.3 Codex

Fast

openai/gpt-5.3-codex

400K context

Input / 1M$1.94

Output / 1M$15.6

Cache / 1M$0.19

Write / 1M—

64 t/s throughput

699ms TTFT