GPT 5.3 Codex (Fast) pricing

GPT 5.3 Codex (Fast) (openai/gpt-5.3-codex-fast) from openai on Zoo Gateway: $3.89 per million input tokens and $31.1 per million output tokens. Context window 400K. Prices are per million tokens through Zoo Gateway.

GPT 5.3 Codex (Fast)

Fast

openai/gpt-5.3-codex-fast

400K context

Input / 1M$3.89

Output / 1M$31.1

Cache / 1M$0.39

Write / 1M—