FREE TOOL · DEVELOPER

Calculate what an AI feature will cost per month

Before building, estimate the bill. Enter requests per day, tokens per request and the provider’s price per million tokens to see daily and monthly cost — then solve a real scenario in the challenge.

⏱ 5–10 min · Runs in your browser · No signup

You will practise

How token pricing works
Why output tokens usually cost more
Estimating monthly cost before you build

⚙Use the tool

🔒 Runs entirely in your browser. Nothing is uploaded.

Requests per dayInput tokens per requestOutput tokens per requestDays per monthPrice per 1M input tokens ($)Price per 1M output tokens ($)

Example price sets (verify on the provider’s pricing page)

✓Practice challenge

Scenario: 200 requests/day, 800 input + 300 output tokens each, $0.50 input and $1.50 output per million tokens, 30 days. What is the monthly cost in $?

Your answer

Questions people ask

Are these prices current?

The presets are examples only. Always copy current prices from the provider’s pricing page — they change often.

Can I build for $0?

Yes for learning: several providers offer free tiers with rate limits. See the API Keys guide.

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