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API Usage Inputs

Instant local calculation — no AI calls. Results update as you type. Estimates only; verify with your own data.

AI API Cost Calculator

Estimated monthly API cost: $1.58

Formula: Cost/request = (Input tokens/1M × $/1M in) + (Output tokens/1M × $/1M out)

Cost Per Request

Zetawala Calculation

$0.00

Daily Cost

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$0.05

Monthly Cost

Zetawala Calculation

$1.58

Yearly Cost

Zetawala Calculation

$18.90

Details

  • Rates used: $0.15/1M input · $0.6/1M output
  • Assumes 30 active days/month.

Recommended Next Steps

SaaS PricingBreak-evenContent ROI
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Algorithm Optimization & SEO Insights

How this metadata tool helps search visibility & content ranking.

Estimate OpenAI, Anthropic, Google, DeepSeek, or custom model spend with Zetawala’s free AI API cost calculator. Enter tokens, requests per day, and pricing per 1M tokens—then see cost per request, daily, monthly, and yearly totals from deterministic math (no AI). Ideal for founders, ML engineers, and SaaS teams budgeting LLM usage. Results update instantly.

Practical Usage Example

Standard input parameters and the expected optimization output.

Sample Input

Provider: OpenAI · Model: gpt-4o-mini · 1,500 in / 500 out tokens · 100 requests/day · 30 days

Generated Output

Cost/request + Daily / Monthly / Yearly totals from published $/1M input & output rates

Frequently Asked Questions

Essential answers to technical ranking & search indexing questions.

How does the AI API cost calculator work?
Cost per request = (Input tokens ÷ 1M × $/1M input) + (Output tokens ÷ 1M × $/1M output). Daily = cost × requests/day; monthly and yearly scale from that.
Which providers and models are supported?
Built-in rates cover common OpenAI, Anthropic, Google, and DeepSeek models. Choose Custom to enter your own input and output $/1M prices.
Is this estimate the same as my invoice?
It is a deterministic projection from the rates and usage you enter. Actual bills may differ with caching, retries, tool calls, or provider price changes.
Does the calculator call the AI APIs?
No. It never sends tokens or requests to providers. Math runs locally from your inputs and the selected rate card.
Who benefits from an AI API cost calculator?
Product teams, indie hackers, and finance leads who need a clear monthly LLM budget before shipping features or scaling traffic.
How do I lower estimated API spend?
Reduce tokens per request, cache prompts, pick cheaper models for routine tasks, or lower requests/day—then re-run the calculator to see the new monthly total instantly.