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Gemini Pricing Calculator

Calculate the estimated cost of Google Gemini 3.1 Pro, 3.5 Flash, 3.1 Flash-Lite, 2.5 Pro/Flash, and 1.5 Pro/Flash based on your input and output tokens — free and instant.

Gemini Pricing Calculator is a free online ai tool from FastDailyTools (Estimate Google Gemini API cost.). Calculate the estimated cost of Google Gemini 3.1 Pro, 3.5 Flash, 3.1 Flash-Lite, 2.5 Pro/Flash, and 1.5 Pro/Flash based on your input and output tokens — free and instant. It runs entirely in your browser — no sign-up, no account, no email and no upload — and every result can be exported as a dated PDF report.

  • ✔ Price: free, unlimited use, no rate limits
  • ✔ Sign-up: not required
  • ✔ Privacy: all math runs client-side, nothing is uploaded
  • ✔ Export: one-click PDF report (2026 rates)
Input tokens
0
Output tokens
500
Estimated cost
$0.003500
Gemini 3.1 Pro

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How to use Gemini Pricing Calculator

  1. Enter your input text or token count.
  2. Enter expected output tokens.
  3. Select the Gemini model.
  4. See total estimated cost.

Frequently asked questions

Is there a free Gemini API tier?

Yes — Google offers a free tier with rate limits. This calculator estimates paid usage above that tier.

Is Gemini 3.5 Flash cheaper than GPT-4o mini?

Yes — Gemini 3.5 Flash and 3.1 Flash-Lite are among the cheapest capable LLMs, especially for long-context work.

In-depth guides for this calculator

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