Gemini 3.1 Pro
Google · Frontier
Google's frontier model. Context-tiered pricing: $2/$12 up to 200K tokens, $4/$18 beyond. Figures shown are the ≤200K tier.
- Strengths
- Google's frontier model with very long context and competitive entry pricing.
- Best for
- Long-context analysis and multimodal work in the Google ecosystem.
- Limitations
- Context-tiered pricing rises above 200K tokens, so cost scales with prompt size.
Input / 1M
$2.00
Output / 1M
$12.00
Cached input / 1M
$0.2
Context window
1M
Where it sits
15th-cheapest frontier model
by blended $/Mtok among 24 listed frontier models
24% above the frontier median
blended $/Mtok across 24 frontier 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 (Feb 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 |
|---|---|---|---|---|---|
| 19 Feb 2026 | $2.00 | $12.00 | $0.2 | ≤200K context tier | ai.google.dev/gemini-api/docs/pricing |