$0.55 for 1,000 Gemini 2.5 Flash Requests

2026-10-26 Model price-offs EN

01 / The $0.55 receipt starts with explicit assumptions

A thousand multimodal requests for $0.55 is an attractive budget. Gemini 2.5 Flash can reach that number under the workload below, but the honest headline includes a condition: this is a calculated example, not a measured production bill or a verified CheapRelay quote.

The reference rates used here are Google's published standard paid-tier prices for Gemini 2.5 Flash: $0.30 per million text, image and video input tokens, $1.00 per million audio input tokens, and $2.50 per million output tokens, including thinking tokens. Check the current rate card before committing a budget. CheapRelay's live selling prices may differ.

Calling any model the lowest-cost multimodal option requires a defined workload and current competing prices. This article does not establish a market-wide winner. Instead, it shows the inexpensive operating point that makes Gemini 2.5 Flash a sensible low-cost candidate.

02 / Receipt: 1,000 image-assisted requests, $0.55 total

Imagine an application that reads an image and returns a short structured answer. For budgeting, assume each request averages 800 text input tokens, 200 image input tokens and 100 total billable output tokens. Those are workload assumptions, not fixed image-token counts or a quality benchmark.

■ Text input: 1,000 × 800 = 800,000 tokens. At $0.30 per million: $0.24.
■ Image input: 1,000 × 200 = 200,000 tokens. At $0.30 per million: $0.06.
■ Output: 1,000 × 100 = 100,000 tokens. At $2.50 per million: $0.25.
■ Total model-token cost: $0.24 + $0.06 + $0.25 = $0.55.
■ Average per request: $0.00055, or 0.055 cents.

At the same token mix, 10,000 requests cost $5.50 and 100,000 cost $55. These projections exclude taxes, paid tools and any other applicable charges. They also assume no retries, no cached-token billing and no additional billable output beyond the stated allowance.

03 / A longer answer changes the receipt faster than expected

The output rate is approximately 8.33 times the text-and-image input rate. That makes answer length a major budget lever, even for an application whose main job is looking at pictures.

Keep the same million input tokens, but raise average billable output from 100 to 500 tokens per request. Output becomes 500,000 tokens, costing $1.25. Add $0.30 for input and the receipt becomes $1.55: nearly three times the original total.

Ask for the fields you actually need. A category, amount and confidence explanation may be enough; a paragraph describing every visible detail may not be. Remember that the output allowance must cover any billed thinking tokens, not just the text your user sees.

04 / Audio gets its own $0.25 receipt

Do not price audio input at the text rate. A separate workload with 200,000 audio input tokens and 20,000 billable output tokens costs $0.20 for input plus $0.05 for output: $0.25 total at the reference rates.

That is token arithmetic, not a promise about cost per recording minute. Use actual reported usage to budget audio. Likewise, image and video token consumption depends on how the service processes the media; one uploaded file does not imply one predictable token charge.

05 / Move the estimate into a real CheapRelay bill

CheapRelay offers pay-as-you-go access with no monthly fee or subscription. Billing follows real token usage, including cache reads and writes, so cached traffic needs its own applicable rates rather than an assumption that repeated input is free.

Its API base is https://api.cheapapirelay.com, with OpenAI-compatible routes under /v1 and Gemini native routes under /v1beta. That lets you test an existing client without building a separate billing integration.

Sign up for CheapRelay, check its current Gemini 2.5 Flash prices, and run a small representative sample. Record input, output, cache usage and retries. Then replace this article's reference rates and assumed counts with your actual figures. The cheapest useful multimodal setup is the one with the lowest cost per acceptable result—not merely the smallest advertised token price.

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