Gemini 3.1 Pro Preview Custom Tools
Google · Mid
Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...
Input / 1M
$2.00
Output / 1M
$12.00
Cached input / 1M
$0.2
Context window
1.05M
Where it sits
238th-cheapest mid model
by blended $/Mtok among 262 listed mid models
688% above the mid median
blended $/Mtok across 262 mid models
Output costs 6× input
$2.00 in / $12.00 out per 1M
Cached input saves 90%
$0.2 vs $2.00 per 1M fresh
Held flat since launch (Jun 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $2.00 | $12.00 | $0.2 | Imported from OpenRouter | openrouter.ai |