Providers / Google / Gemini 2.5 Flash

Gemini 2.5 Flash API Cost Calculator

Gemini 2.5 Flash costs $0.3 per 1M input tokens and $2.5 per 1M output tokens at official Google API prices, verified 2026-10-26. Estimate your own usage below — the calculator is preset to this model.

Calculate your Gemini 2.5 Flash cost →
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Cost per call

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Estimated monthly cost

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Add up to 4 models, same usage, sorted by cost.

Official price vs gateway price

WhereInput / 1MOutput / 1M
Official API$0.3$2.5

Gemini 2.5 Flash is priced above at the official list rate. We have not found a gateway that sells it cheaper with a verifiable public price, so no gateway row is shown — we never estimate one.

Using open-weight models instead (DeepSeek, Qwen, Llama, gpt-oss)? See our Novita AI gateway prices, or go toNovita AI (affiliate).Disclosure.

Google limits new access to Gemini 2.5 models to prior active users; new projects should use Gemini 3.x Flash / Flash-Lite.

Audio input is billed higher ($1.00 / 1M) than the text/image/video rate shown in the calculator.

Gemini 2.5 Flash price facts

Input$0.3 per 1M tokens
Output$2.5 per 1M tokens
Cached input$0.03 per 1M tokens
Batch tier$0.15 in / $1.25 out per 1M tokens
Context window1,048,576 tokens
Released2025-06-01
Price verified2026-10-26 · source

What Gemini 2.5 Flash costs in practice

WorkloadPer callPer month
Chat assistant
2,000 input / 500 output tokens per call, 10,000 calls a month
$0.00185$18.50
Document processing
50,000 input / 2,000 output tokens per call, 1,000 calls a month
$0.02$20.00
Agent loop with prompt caching
10,000 fresh input / 100,000 cached input / 2,000 output tokens per call, 500 calls a month
$0.011$5.50

Frequently asked questions

How much does Gemini 2.5 Flash cost per month?

It depends entirely on token volume. As worked examples: a chat assistant doing 10,000 calls a month costs $18.50, while a document pipeline doing 1,000 long calls costs $20.00. Use the calculator on this page with your own numbers for an exact figure. Prices are official rates verified 2026-10-26.

Is Gemini 2.5 Flash cheaper than Gemini 3.1 Flash-Lite?

At a blended workload of 1M input and 250K output tokens, Gemini 2.5 Flash costs $0.925 and Gemini 3.1 Flash-Lite costs $0.625 — so Gemini 3.1 Flash-Lite is cheaper at this mix. The answer can flip if your workload is mostly output or mostly cached input.

Does Gemini 2.5 Flash have batch or caching discounts?

Yes — batch processing is $0.15 / $1.25 per 1M tokens. Cached input is billed at $0.03 per 1M tokens. Prices verified 2026-10-26. We do not invent unpublished rates.

Are these official prices or gateway prices?

Gemini 2.5 Flash on this page uses official Google API prices from the provider's public pricing page. Gateway reseller rates, when shown elsewhere on the site, are labeled separately.

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