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.
Short answer: Gemini Pricing Calculator — 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 answers “gemini flash pro api pricing calculator”. Who it is for: Developers building on Google's Gemini models; Founders estimating Gemini API spend as volume grows; Teams comparing Pro and Flash tiers. 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)
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Who is this tool for?
- ✔ Developers building on Google's Gemini models
- ✔ Founders estimating Gemini API spend as volume grows
- ✔ Teams comparing Pro and Flash tiers
- ✔ Anyone checking a Gemini bill against token volume
- ✔ Students learning how Gemini pricing is structured
How to use Gemini Pricing Calculator
- Enter your input text or token count.
- Enter expected output tokens.
- Select the Gemini model.
- 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.
Who is this Gemini pricing calculator for?
Developers and founders pricing a Gemini workload before they commit to Pro or Flash, and anyone checking how a monthly bill moves as request volume grows.
What input does it need, and what does it leave out?
It needs input and output token counts and request volume. It leaves out caching discounts, batch pricing, free-tier limits and any negotiated rate — confirm the current price on Google's pricing page.
How do Pro and Flash differ in cost?
Flash is the cheaper, faster tier for high-volume or simple work; Pro costs more per token and is aimed at harder reasoning. Price the same workload in both before choosing, because the gap compounds monthly.
Gemini flash pro api pricing calculator?
Use the Gemini Pricing Calculator above: 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.