OpenAI · LLM API Modelactive

gpt-4o-mini-2024-07-18

OpenAI pricing for gpt-4o-mini-2024-07-18.

Updated September 21, 2026

Input / 1M

$0.30

Output / 1M

$1.20

Cached Input

$0.15

Context Window

128K

Standard Input

$0.30 / 1M

Base prompt input rate

Standard Output

$1.20 / 1M

Completion output rate

Prompt Caching -50%

$0.15 / 1M

Cached prompt context

Batch API -50%

$0.15 / 1M

Asynchronous 24h batch

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Finetuning

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

StandardBatch

Pricing Metric / Parameter	Standard RATE (per 1M)	Batch RATE (per 1M)
Training	$3.00	$3.00
Input	$0.30	$0.15
Cached input	$0.15	$0.075
Output	$1.20	$0.60

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

AI / LLM

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