Google · API model
Gemini 3.1 Pro
Generally availableReleased Feb 19, 2026Proprietary
API id gemini-3.1-pro prices checked
- Input
- $2.00/1M
- Output
- $12.00/1M
- Context
- 1.05Mtokens
- Max output
- 66Ktokens
- Knowledge cutoff
- Jan 2025
- Typical request
- $0.008
Pricing
US dollars per 1 million tokens. A typical request (1,000 input + 500 output tokens) costs $0.008 at standard rates.
| Rate | Input | Cached input | Output |
|---|---|---|---|
| Standard | $2.00 | $0.20 | $12.00 |
| Long promptsPrompts over 200K tokens | $4.00 | $0.40 | $18.00 |
Capabilities and limits
| Context window | 1.05M tokens |
|---|---|
| Max output | 66K tokens |
| Input | TextImagesFiles (PDF)AudioVideo |
| Output | Text |
| Reasoning | Adjustable effort |
| Tool use | Yes |
| Structured output (JSON) | Yes |
| Knowledge cutoff | Jan 1, 2025 |
Change history
No launches, price changes or retirements logged for Gemini 3.1 Pro yet.
Changes across all models are in the LLM changelog.
Benchmarks and speed
Not collected yet. Scores will come only from independent leaderboards, each shown with its source and test date.
Planned: GPQA Diamond, SWE-bench Verified, AIME 2025, LMArena Elo, output speed and time to first token.
Where these numbers come from
Every value is an observation with a source and a date. independent is a third-party catalog, vendor is the model maker's own page, derived is our calculation.
| Field | Value | Source | Observed |
|---|---|---|---|
| Standard price, input / output | $2.00 / $12.00 | independentOpenRouter | Sep 15, 2026 |
| Long-context price (>200K), input / output | $4.00 / $18.00 | independentOpenRouter | Sep 15, 2026 |
| Release date | 2026-02-19 | vendorGoogle blog | Sep 15, 2026 |
| Knowledge cutoff | January 2025 | vendorGoogle blog | Sep 15, 2026 |
| Context window | 1,048,576 | independentOpenRouter | Sep 15, 2026 |
| Max output | 65,536 | independentOpenRouter | Sep 15, 2026 |
| Input types, reasoning, tools, JSON | text, image, file, audio, video; adjustable; yes; yes | independentOpenRouter | Sep 15, 2026 |
| Typical request | $0.008 | derivedCalculated: 1,000 in + 500 out | Sep 15, 2026 |