OpenAI

GPT-5.3 Codex

openai/gpt-5.3-codex

chatcodingreasoningagentictools

Input price

1049.3 RODI/M

~ 1.75 USD/M

Output price

8394.4 RODI/M

~ 14 USD/M

Context

272K

Max output

66K

Input:textimage
Output:text

Providers & pricing

ProviderInputOutputFree tier
Azure

Azure

Default

1049.3 RODI/M~1.75 USD/M8394.4 RODI/M

Pricing

RateRODIUSD (ref.)Unit
In1049.3~ 1.75USD/M · RODI/M
Out8394.4~ 14.00USD/M · RODI/M
Cached105.0~ 0.175USD/M · RODI/M

RODI prices include Rodium markup and upstream fees. USD figures are wholesale reference rates.

Capabilities

Streaming
Tool calling
Vision
JSON mode
Reasoning

About this model

Agentic coding model on Azure OpenAI (Global Standard). Unifies GPT-5.2-Codex performance with GPT-5.2 reasoning for software engineering and Codex-style agents.

API usage

Use the canonical model slug in your chat completion requests.

Shell / scripts:

Chat completions docs →