AI API Cost Calculator

AI Tools

Estimate LLM API cost per call and month

FreePrivateInstant
Input tokens per request
Output tokens per request
Input price per 1M tokens ($)
Output price per 1M tokens ($)
Requests per day
USD to INR rate (optional)
Full guide, 6 min readAI tokens and API cost: why the bill depends on the answer length and the chat historyRead the story behind this tool →

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History

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AI API Cost Calculator — at a glance

Plan your AI app budget before you build by estimating what each request and each month will cost.

Input
2,000 in / 500 out tokens
1,000 requests a day
Run
Result
$13.50 per day
$405 per month

How to use it — step by step

Tokens used per request, the provider’s price per million tokens and your daily requests.

1

Enter your values

Fill in the boxes. Sensible example values are already filled in for you.

2

Calculate Cost

Press the button. The answer is worked out instantly on your device.

3

Read or copy the result

See the big answer and the extra details, then press Copy to keep them.

Pro tips

Small things that make the result better.

✦Output tokens usually cost more than input tokens.
✦Use the AI Token Counter to estimate tokens in your prompts.
✦Prompt caching and batch APIs can reduce the real cost.

Quick facts

Per callday, month, year
USD & ₹both shown
Your pricesalways current
Freeno signup

Frequently Asked Questions

Where do I find the price per million tokens?+

On the pricing page of your AI provider. Prices change, so check it before you plan.

Does it include discounts?+

No. Enter the effective price you pay after any discounts.

Is my data safe?+

Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.

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