Google API pricing

Gemini 3.8 Flash pricing

Input / 1M tokens
$0.75
Output / 1M tokens
$3.75

1 Jan 2027: Gemini 3.8 Flash rises from $0.75 to $1.50 per 1M input tokens and from $3.75 to $7.50 per 1M output tokens (announced on Google's pricing page).

Source: Google pricing, checked 1 Nov 2026. API name: gemini-3.8-flash.

Price your prompt on Gemini 3.8 Flash

What a prompt costs on Gemini 3.8 Flash

ExampleTokens in / outCost1,000 a day, per month
A short question and answer50 / 300$0.0012$34.87
A one-page document summarised700 / 400$0.0020$60.75
A 300-line code file reviewed4,000 / 1,200$0.0075$225.00
A 50-page report summarised35,000 / 1,500$0.032$956.25

Token sizes are typical, not exact. Replies include any thinking the model does.

Other Gemini models

Gemini 4 ArgonGemini 3.5 Flash-LiteGemini 3.1 Pro (preview)Gemini 2.5 ProGemini 2.5 Flash

FAQ

How much does Gemini 3.8 Flash cost?

$0.75 per million input tokens and $3.75 per million output tokens on Google's standard API tier. Checked 1 Nov 2026.

What does one prompt cost on Gemini 3.8 Flash?

A 1,000-token prompt with a typical medium-length reply costs about $0.0037. Paste your own prompt into the calculator for an exact figure.