OpenAI · LLM API Modelactive

chat-latest

chat-latest costs $5.00 per 1M input tokens, $0.50 cached input and $30.00 per 1M output tokens.

Updated September 21, 2026

Input / 1M

$5.00

Output / 1M

$30.00

Cached Input

$0.50

Context Window

400K

Standard Input

$5.00 / 1M

Base prompt input rate

Standard Output

$30.00 / 1M

Completion output rate

Prompt Caching -50%

$0.50 / 1M

Cached prompt context

Batch API -50%

50% Off

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Specialized models

All rates listed in USD per 1 Million (1M) tokens unless noted

Standard

Pricing Metric / Parameter	Standard RATE (per 1M)
Category	ChatGPT
Input	$5.00
Cached input	$0.50
Output	$30.00

Source: OpenAI official pricing page, verified 2026-09-21. Prices in USD per 1M tokens.

AI / LLM

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