GPT-5.3 Codex pricing
What GPT-5.3 Codex costs per million tokens: input, output, cache read and cache write, with batch and long-context rates where the provider publishes them. Every figure is the rate Vigil's proxy bills with, read from the provider's own page.
Prices checked 9 Oct 2026 against developers.openai.com. All shown rates agreed with the page.
GPT-5.3 Codex on OpenAI API
Model id gpt-5.3-codex. Verified against the provider's published price; registry row retrieved 2026-09-11 from developers.openai.com.
| Applies | Input | Output | Cache read | Cache write |
|---|---|---|---|---|
| Standard | $1.75 | $14.00 | $0.175 | — |
USD per 1M tokens. A dash means the provider publishes no rate for that dimension, so the proxy declines to price it.
- Endpoint classes: global, regional (×1.1).
- on_demand: the standard rate.
- batch: 50% below the standard rate.
- Above 272,000 input tokens the rate is unverified, so the proxy declines to price such a call rather than guess.
Price a GPT-5.3 Codex call
GPT-5.3 Codex on OpenAI API, standard rate, priced now
Cache writes, batch, endpoint class and monthly volume: AI token calculator
Questions
- What does a cache read cost on GPT-5.3 Codex?
- A cache-read token on OpenAI API costs $0.175 per 1M tokens, against $1.75 for an ordinary input token. An ordinary input token costs 10 times as much. No cache-write rate is published for this model.
- Does GPT-5.3 Codex have a batch price?
- Yes: batch: 50% below the standard rate. The batch rate applies to the whole request; the proxy prices a batch call from the same row with that factor applied.
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