Back to Gemini 3.1 Pro pricing

Gemini 3.1 Pro price history

Every tracked change to Gemini 3.1 Pro token pricing on the Google API — input, output, and cached-input rates per million tokens. Data goes back to July 12, 2026.

Price per million tokens

Not enough snapshots yet to chart Gemini 3.1 Pro. The chart appears once we've logged two or more price points.

Price change events

No price changes recorded. Gemini 3.1 Pro has been price-stable since July 12, 2026.

Full snapshot log

Snapshot dateInput / 1MOutput / 1MCached input / 1M
July 12, 2026$2$12