Use case
GPT-5.3 Codex image input
image input notes for gpt-5.3-codex: the rate card, a worked volume, and when to send this ID. A sample of 1 million input tokens plus 200 thousand output tokens is about $0.910 on corouter (input $0.350, output $0.560).
Images count as input
GPT-5.3 Codex lists Vision. Image tokens bill at the input rate of $0.350. Generated text still bills at the output rate of $2.80.
GPT-5.3 Codex is listed with these modalities: Chat, Reasoning, Code, Vision.
This ID
GPT-5.3 Codex is a coding ID with a 272K window. Its list rate matches GPT-5.2 Codex; the difference you bill is the ID itself, gpt-5.3-codex.
A sample of 1 million input tokens plus 200 thousand output tokens is about $0.910 on corouter (input $0.350, output $0.560).
Questions
- Which model ID should the request send?
- Send gpt-5.3-codex. Do not put a different name in the model field.
- What is the minimum top-up?
- Prepaid credits, $5 minimum top-up, no subscription tier.