gemini-3.1-pro-preview
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Google model gemini-3.1-pro-preview. Prices are in US dollars per million tokens.
Current price, since 2026-02-19: input $2.00, output $12.00, cached input $0.20.
Matches Google's pricing page, checked 2026-10-22 21:28 UTC.
Price a request with this model.
Standard price history#
| From | Input | Cached input | Cache write | Output | Longer prompts | Dated by | Source |
|---|---|---|---|---|---|---|---|
| 2026-02-19, first record | $2.00 | $0.20 | $12.00 | above 200K: in $4.00, cached $0.40, out $18.00 | models.dev commit | link |
A blank cache price is charged at the input price. Longer prompts list the prices for requests whose whole prompt exceeds the size given.
import model_prices
model_prices.rates("gemini-3.1-pro-preview", provider="google")