OpenAI

GPT-5 Codex

openai/gpt-5-codex

codingagenticreasoningtoolscodex

Input price

799.0 RODI/M

~ 1.25 USD/M

Output price

6391.8 RODI/M

~ 10 USD/M

Context

400K

Max output

128K

Input:textimage
Output:text

Providers & pricing

ProviderInputOutputFree tier
Azure

Azure

Default

799.0 RODI/M~1.25 USD/M6391.8 RODI/M
OpenAI

OpenAI

799.0 RODI/M~1.25 USD/M6391.8 RODI/M

Pricing

RateRODIUSD (ref.)Unit
In799.0~ 1.25USD/M · RODI/M
Out6391.8~ 10.00USD/M · RODI/M
Cached79.9~ 0.125USD/M · RODI/M

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

Capabilities

Streaming
Tool calling
Vision
JSON mode
Reasoning

About this model

GPT-5 optimized for agentic coding in Codex / Responses API environments.

API usage

Use the canonical slug with client.chat() or chat.completions.create().

RodiumAi SDK

Official Python, JavaScript, and Laravel SDKs — flat API aligned with this model slug.

Compatible SDKs (OpenAI / Anthropic packages)