AI API monthly cost calculator

Estimate AI inference and token costs from your request volume, input/output tokens, caching and batch usage. Compare up to four models and their channels in USD. This is a budget calculator, not a connected billing dashboard.

1. Usage

Daily usage is converted using a 30-day month.

0%

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

0%

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

30K
requests/mo
30M
input/mo
15M
output/mo
2. Models and region
Ternary Bonsai 2 9B1/4

Monthly cost comparison

Paid channels are sorted by USD-normalised monthly cost.

ModelChannelInput priceOutput priceCacheEst. monthly
Ternary Bonsai 2 9BOpenRouterGlobal$0.08/1M$0.13/1M$0.04$4.35Lowest paidUSD normalised