{"id":603,"date":"2026-06-04T19:28:58","date_gmt":"2026-06-04T17:28:58","guid":{"rendered":"https:\/\/gpt-ai.tips\/?page_id=603"},"modified":"2026-06-04T19:28:58","modified_gmt":"2026-06-04T17:28:58","slug":"ai-api-cost-calculator","status":"publish","type":"page","link":"https:\/\/gpt-ai.tips\/?page_id=603","title":{"rendered":"AI API Cost Calculator"},"content":{"rendered":"\n<div class=\"ai-tool wp-block-group\" id=\"ai-api-cost-calc-a01x\">\n  <div class=\"ai-tool__header\">\n    <h2 class=\"ai-tool__title\">AI API Cost Calculator<\/h2>\n    <p class=\"ai-tool__lead\">\n      Estimate monthly AI API costs based on requests, input tokens, output tokens, and model pricing.\n    <\/p>\n  <\/div>\n\n  <form class=\"ai-tool__form\" id=\"ai-api-form-a01x\" novalidate>\n    <div class=\"ai-tool__grid3\">\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-requests-a01x\">Requests<br>per day<\/label>\n        <input class=\"ai-tool__input\" id=\"api-requests-a01x\" type=\"number\" min=\"1\" step=\"1\" value=\"1000\" inputmode=\"numeric\">\n        <div class=\"ai-tool__hint\">How many API calls you expect daily.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-input-a01x\">Average input<br>tokens\/request<\/label>\n        <input class=\"ai-tool__input\" id=\"api-input-a01x\" type=\"number\" min=\"1\" step=\"10\" value=\"800\" inputmode=\"numeric\">\n        <div class=\"ai-tool__hint\">Prompt, system message, history, and user input.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-output-a01x\">Average output<br>tokens\/request<\/label>\n        <input class=\"ai-tool__input\" id=\"api-output-a01x\" type=\"number\" min=\"1\" step=\"10\" value=\"400\" inputmode=\"numeric\">\n        <div class=\"ai-tool__hint\">Average generated response length.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-input-price-a01x\">Input token price<br>($ \/ 1M tokens)<\/label>\n        <input class=\"ai-tool__input\" id=\"api-input-price-a01x\" type=\"number\" min=\"0\" step=\"0.01\" value=\"0.15\" inputmode=\"decimal\">\n        <div class=\"ai-tool__hint\">Set this to your model&#8217;s input price.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-output-price-a01x\">Output token price<br>($ \/ 1M tokens)<\/label>\n        <input class=\"ai-tool__input\" id=\"api-output-price-a01x\" type=\"number\" min=\"0\" step=\"0.01\" value=\"0.60\" inputmode=\"decimal\">\n        <div class=\"ai-tool__hint\">Set this to your model&#8217;s output price.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-cache-a01x\">Cached input<br>discount (%)<\/label>\n        <input class=\"ai-tool__input\" id=\"api-cache-a01x\" type=\"number\" min=\"0\" max=\"100\" step=\"1\" value=\"0\" inputmode=\"numeric\">\n        <div class=\"ai-tool__hint\">Optional discount for cached\/reused input tokens.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-days-a01x\">Billing period<br>(days)<\/label>\n        <input class=\"ai-tool__input\" id=\"api-days-a01x\" type=\"number\" min=\"1\" max=\"365\" step=\"1\" value=\"30\" inputmode=\"numeric\">\n        <div class=\"ai-tool__hint\">Usually 30 days for monthly estimate.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-overhead-a01x\">Extra overhead<br>(%)<\/label>\n        <input class=\"ai-tool__input\" id=\"api-overhead-a01x\" type=\"number\" min=\"0\" max=\"500\" step=\"1\" value=\"10\" inputmode=\"numeric\">\n        <div class=\"ai-tool__hint\">Adds buffer for retries, tools, logs, or hidden system tokens.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__field\">\n        <label class=\"ai-tool__label\" for=\"api-users-a01x\">Active users<br>optional<\/label>\n        <input class=\"ai-tool__input\" id=\"api-users-a01x\" type=\"number\" min=\"1\" step=\"1\" value=\"100\" inputmode=\"numeric\">\n        <div class=\"ai-tool__hint\">Used to estimate cost per active user.<\/div>\n      <\/div>\n\n    <\/div>\n\n    <div class=\"ai-tool__actions\">\n      <button type=\"button\" class=\"wp-element-button ai-tool__btn\" id=\"api-calc-btn-a01x\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button ai-tool__btn ai-tool__btn--ghost\" id=\"api-reset-btn-a01x\">Reset<\/button>\n      <div class=\"ai-tool__error\" id=\"api-error-a01x\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"ai-tool__result\" id=\"api-result-a01x\" hidden>\n    <h3 class=\"ai-tool__subtitle\">Result<\/h3>\n\n    <div class=\"ai-tool__cards\">\n      <div class=\"ai-tool__card\">\n        <div class=\"ai-tool__metric-label\">Estimated monthly cost<\/div>\n        <div class=\"ai-tool__metric-value\" id=\"api-monthly-output-a01x\">\u2014<\/div>\n        <div class=\"ai-tool__metric-sub\">Total estimated API cost for the billing period.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__card\">\n        <div class=\"ai-tool__metric-label\">Daily cost<\/div>\n        <div class=\"ai-tool__metric-value\" id=\"api-daily-output-a01x\">\u2014<\/div>\n        <div class=\"ai-tool__metric-sub\">Average API cost per day.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__card\">\n        <div class=\"ai-tool__metric-label\">Total tokens<\/div>\n        <div class=\"ai-tool__metric-value\" id=\"api-tokens-output-a01x\">\u2014<\/div>\n        <div class=\"ai-tool__metric-sub\">Input + output tokens for the period.<\/div>\n      <\/div>\n\n      <div class=\"ai-tool__card\">\n        <div class=\"ai-tool__metric-label\">Cost per active user<\/div>\n        <div class=\"ai-tool__metric-value\" id=\"api-user-output-a01x\">\u2014<\/div>\n        <div class=\"ai-tool__metric-sub\">Estimated API cost per user.<\/div>\n      <\/div>\n    <\/div>\n\n    <p class=\"ai-tool__note\">\n      Approximate estimate only. Real API costs depend on model pricing, cached tokens, retries, tool calls, context length, system prompts, and traffic spikes.\n    <\/p>\n  <\/div>\n\n  <details class=\"ai-tool__details\">\n    <summary class=\"ai-tool__summary\">How we calculate<\/summary>\n    <div class=\"ai-tool__details-body\">\n      <ul class=\"ai-tool__list\">\n        <li>Input cost = input tokens \u00f7 1,000,000 \u00d7 input token price<\/li>\n        <li>Output cost = output tokens \u00f7 1,000,000 \u00d7 output token price<\/li>\n        <li>Cached input discount reduces input token cost only<\/li>\n        <li>Extra overhead adds a safety buffer for real-world usage<\/li>\n      <\/ul>\n    <\/div>\n  <\/details>\n<\/div>\n\n<style>\n.ai-tool{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:16px;}\n.ai-tool__header{margin-bottom:12px;}\n.ai-tool__title{margin:0 0 8px;}\n.ai-tool__lead{margin:0;opacity:.9;}\n.ai-tool__form{margin-top:12px;}\n.ai-tool__grid3{display:grid;grid-template-columns:1fr;gap:16px;}\n@media (min-width:860px){.ai-tool__grid3{grid-template-columns:1fr 1fr 1fr;}}\n.ai-tool__field{display:flex;flex-direction:column;gap:6px;}\n.ai-tool__label{font-weight:600;}\n.ai-tool__input{width:100%;height:44px;padding:0 12px;border:1px solid rgba(0,0,0,.20);border-radius:10px;background:#fff;box-sizing:border-box;font:inherit;}\n.ai-tool__hint{font-size:.92em;opacity:.78;min-height:38px;}\n.ai-tool__actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px;}\n.ai-tool__btn{padding:10px 22px;}\n.ai-tool__btn--ghost{background:transparent!important;border:1px solid rgba(0,0,0,.20)!important;}\n.ai-tool__btn--ghost:hover,.ai-tool__btn--ghost:focus{background:rgba(0,0,0,.06)!important;border-color:rgba(0,0,0,.35)!important;}\n.ai-tool__error{min-height:1.2em;font-weight:600;flex:1 1 240px;}\n.ai-tool__result{margin-top:18px;}\n.ai-tool__subtitle{margin:0 0 10px;}\n.ai-tool__cards{display:grid;gap:10px;grid-template-columns:1fr;}\n@media (min-width:860px){.ai-tool__cards{grid-template-columns:1fr 1fr;}}\n.ai-tool__card{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:12px;}\n.ai-tool__metric-label{opacity:.85;font-weight:600;}\n.ai-tool__metric-value{font-size:1.7em;font-weight:800;margin-top:6px;line-height:1.1;}\n.ai-tool__metric-sub{opacity:.85;margin-top:6px;}\n.ai-tool__note{margin-top:12px;opacity:.9;}\n.ai-tool__details{margin-top:16px;}\n.ai-tool__summary{cursor:pointer;font-weight:700;}\n.ai-tool__details-body{margin-top:10px;}\n.ai-tool__list{margin:0;padding-left:18px;}\n<\/style>\n\n<script>\n(function(){\n  const S = \"a01x\";\n  const el = (id) => document.getElementById(id + \"-\" + S);\n\n  const requestsEl = el(\"api-requests\");\n  const inputEl = el(\"api-input\");\n  const outputEl = el(\"api-output\");\n  const inputPriceEl = el(\"api-input-price\");\n  const outputPriceEl = el(\"api-output-price\");\n  const cacheEl = el(\"api-cache\");\n  const daysEl = el(\"api-days\");\n  const overheadEl = el(\"api-overhead\");\n  const usersEl = el(\"api-users\");\n\n  const calcBtn = el(\"api-calc-btn\");\n  const resetBtn = el(\"api-reset-btn\");\n  const errorEl = el(\"api-error\");\n  const resultEl = el(\"api-result\");\n\n  const monthlyOutput = el(\"api-monthly-output\");\n  const dailyOutput = el(\"api-daily-output\");\n  const tokensOutput = el(\"api-tokens-output\");\n  const userOutput = el(\"api-user-output\");\n\n  function setError(msg){ errorEl.textContent = msg || \"\"; }\n\n  function money(x){\n    return \"$\" + x.toLocaleString(undefined,{minimumFractionDigits:2,maximumFractionDigits:2});\n  }\n\n  function compact(x){\n    return x.toLocaleString(undefined,{maximumFractionDigits:0});\n  }\n\n  function calculate(){\n    setError(\"\");\n\n    const requests = Number(requestsEl.value);\n    const inputTokens = Number(inputEl.value);\n    const outputTokens = Number(outputEl.value);\n    const inputPrice = Number(inputPriceEl.value);\n    const outputPrice = Number(outputPriceEl.value);\n    const cacheDiscount = Number(cacheEl.value) \/ 100;\n    const days = Number(daysEl.value);\n    const overhead = Number(overheadEl.value) \/ 100;\n    const users = Number(usersEl.value);\n\n    if(\n      !Number.isFinite(requests) || requests <= 0 ||\n      !Number.isFinite(inputTokens) || inputTokens <= 0 ||\n      !Number.isFinite(outputTokens) || outputTokens <= 0 ||\n      !Number.isFinite(inputPrice) || inputPrice < 0 ||\n      !Number.isFinite(outputPrice) || outputPrice < 0 ||\n      !Number.isFinite(cacheDiscount) || cacheDiscount < 0 || cacheDiscount > 1 ||\n      !Number.isFinite(days) || days <= 0 ||\n      !Number.isFinite(overhead) || overhead < 0 ||\n      !Number.isFinite(users) || users <= 0\n    ){\n      setError(\"Please enter valid values.\");\n      resultEl.hidden = true;\n      return;\n    }\n\n    const totalRequests = requests * days;\n    const totalInputTokens = totalRequests * inputTokens;\n    const totalOutputTokens = totalRequests * outputTokens;\n\n    const discountedInputCost = (totalInputTokens \/ 1000000) * inputPrice * (1 - cacheDiscount);\n    const outputCost = (totalOutputTokens \/ 1000000) * outputPrice;\n\n    const baseCost = discountedInputCost + outputCost;\n    const totalCost = baseCost * (1 + overhead);\n    const dailyCost = totalCost \/ days;\n    const totalTokens = totalInputTokens + totalOutputTokens;\n    const costPerUser = totalCost \/ users;\n\n    monthlyOutput.textContent = money(totalCost);\n    dailyOutput.textContent = money(dailyCost);\n    tokensOutput.textContent = compact(totalTokens);\n    userOutput.textContent = money(costPerUser);\n\n    resultEl.hidden = false;\n  }\n\n  function reset(){\n    setError(\"\");\n    requestsEl.value = \"1000\";\n    inputEl.value = \"800\";\n    outputEl.value = \"400\";\n    inputPriceEl.value = \"0.15\";\n    outputPriceEl.value = \"0.60\";\n    cacheEl.value = \"0\";\n    daysEl.value = \"30\";\n    overheadEl.value = \"10\";\n    usersEl.value = \"100\";\n    resultEl.hidden = true;\n  }\n\n  calcBtn.addEventListener(\"click\", calculate);\n  resetBtn.addEventListener(\"click\", reset);\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>AI API Cost Calculator Estimate monthly AI API costs based on requests, input tokens, output tokens, and model pricing. Requestsper day How many API calls you expect daily. Average inputtokens\/request&hellip;<\/p>\n","protected":false},"author":757,"featured_media":0,"parent":601,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"_links":{"self":[{"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=\/wp\/v2\/pages\/603"}],"collection":[{"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=\/wp\/v2\/users\/757"}],"replies":[{"embeddable":true,"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=603"}],"version-history":[{"count":1,"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=\/wp\/v2\/pages\/603\/revisions"}],"predecessor-version":[{"id":604,"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=\/wp\/v2\/pages\/603\/revisions\/604"}],"up":[{"embeddable":true,"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=\/wp\/v2\/pages\/601"}],"wp:attachment":[{"href":"https:\/\/gpt-ai.tips\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}