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gpt-5-codex

4K max output

text

Pricing

Per 1M tokens

Input

$1.25

Cached input

$0.13

Output

$10.00

Cache write

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Modalities

Input

text

Output

text

Features

Streaming

Function calling

Vision

Reasoning

JSON mode

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OpenAI

GPT 5 Codex

Input

$1.25/M

Output

$10.00/M

Text Generation