tiny-tools

AI API cost calculator

Know the AI margin before you ship.

Turn product usage and token estimates into a monthly API budget. Compare OpenAI, Anthropic, and Google models side by side.

01

Describe your usage

Use rough averages. You can refine them later.

Estimate volume by
Add product revenue

Optional. Calculate AI cost as a share of monthly revenue.

Models to compare

02

Monthly estimate

20,000 requests ยท USD list prices

Google

Gemini 2.5 Flash

Lowest estimate

$21.00/ month

Per request
$0.00105
Per active user
$0.02
Revenue share
Add revenue

OpenAI

GPT-5.2

$119.00/ month

Per request
$0.00595
Per active user
$0.12
Revenue share
Add revenue

Anthropic

Claude Sonnet 4.6

$150.00/ month

Per request
$0.0075
Per active user
$0.15
Revenue share
Add revenue

Standard text token estimates only. Caching, batch discounts, tools, taxes, and provider-specific tiers are excluded.