Gemini 3.1 Pro Preview
Google · Mid
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Input / 1M
$2.00
Output / 1M
$12.00
Cached input / 1M
$0.2
Context window
1.05M
Where it sits
239th-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 |