Gemini 3.1 Pro Preview preview
$2
Input / MTok
$12
Output / MTok
$0.2
Cache read / MTok
Prices shown are for prompts up to 200k tokens.
API identifier gemini-3.1-pro-preview
· vendor pricing page
Full price sheet
| Metric | USD / million tokens |
|---|---|
| Input | $2 |
| Output | $12 |
| Cache read | $0.2 |
Price history
| Observed | Metric | Price |
|---|---|---|
| 2026-08-07 12:06:21 | Input | $2 |
| 2026-08-07 12:06:21 | Output | $12 |
| 2026-08-07 12:06:21 | Cache read | $0.2 |
Current prices are free and always will be. The full series — every observation since we started watching, which nobody can reconstruct after the fact — is the part Pro pays for.
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