OpenAIGPT-5.3 Chat API pricing

GPT-5.3 Chat was retired on . Its last price was $1.75 per 1M input tokens and $14.00 per 1M output tokens.

Last price

Rates in effect since (launch price). Every price links to its source.

Input
$1.75
Output
$14.00
Blended 3:1
$4.8125
GPT-5.3 Chat last rates per 1M tokens
RatePer 1M tokens
Input$1.75
Cached input$0.175
Output$14.00

Launch price

GPT-5.3 Chat launched at this price on .

Input
$1.75
Output
$14.00
Blended 3:1
$4.8125

Every price event

1 verified event, newest first. No price moves. Documented since .

  1. Launch price ·

    Rates from March 3, 2026
    RatePer 1M tokens
    Input$1.75
    Cached input$0.175
    Output$14.00

    Price from the first pricing-page capture after release (2026-03-04 03:03 UTC, i.e. the evening of 2026-03-03 Pacific).

Gaps in this history

Batch: the model page lists v1/batch as not supported, so no batch rates exist.

API ids

Checked .