AI API monthly cost calculator

Enter your real request pattern and compare every available channel for up to four models. Native prices stay in their published currency; ranking is normalised to USD.

1. Usage

Usage period

Daily usage is converted using a 30-day month.

Requests / day

Avg input tokens

Avg output tokens

Cache hit rate0%

Channels without a published cache price use the regular input price.

Batch request share0%

Assumes the common 50% Batch discount; confirm channel eligibility before use.

30K

requests/mo

30M

input/mo

15M

output/mo

2. Models and region

GPT OSS 20B1/4

Monthly cost comparison

Paid channels are sorted by USD-normalised monthly cost.

Model	Channel	Input price	Output price	Cache	Est. monthly
GPT OSS 20B	OpenRouterGlobal	$0.03/1M	$0.13/1M	$0.03	$2.85Lowest paidUSD normalised
GPT OSS 20B	XycAiChina	¥0.34/1M	¥1.35/1M	—	$4.41¥30.43 native