Gemini 3.1 Pro Preview pricing & benchmarks
Released Feb 19, 2026 · served by 2 providers · ranked #18 by intelligence in our index
What Gemini 3.1 Pro Preview is
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...
- Model ID:
google/gemini-3.1-pro-preview - Modality: text+image+file+audio+video->text
- Tool calling: supported · Structured output: supported
Providers and prices for Gemini 3.1 Pro Preview
The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.
| Provider | Input | Output | Context | Quant | Uptime 24h | Throughput |
|---|---|---|---|---|---|---|
| Googlecheapest | $3.60 | $21.60 | 1.0M | — | 96.1% | — |
| Google AI Studio | $3.60 | $21.60 | 1.0M | — | 99.4% | — |
Gemini 3.1 Pro Preview benchmark results
Design Arena head-to-head results, as reported through the OpenRouter model API.
| Category | Arena | Rank | Elo | Win rate |
|---|---|---|---|---|
| svg | models | #2 | 1337 | 69.7% |
| asciiart | models | #4 | 1309 | 64% |
| agentichtmlslides | agents | #5 | 1226 | 55.8% |
| agenticslides(html) | agents | #5 | 1219 | 54.4% |
| godotgamedev | agents | #6 | 1236 | 60% |
| agenticslides | agents | #8 | 1112 | 33.8% |
| agenticslides(python-pptx) | agents | #8 | 1107 | 33.9% |
| pptxslides | agents | #8 | 1110 | 34.1% |
| htmlslides | agents | #10 | 1205 | 52.2% |
| uicomponent | models | #15 | 1303 | 68.1% |
| python-pptxslides | agents | #16 | 1109 | 31.9% |
| agenticgamedev | agents | #17 | 1123 | 43.6% |
| fullstack | agents | #20 | 1115 | 43.1% |
| webapps | agents | #20 | 1179 | 47.3% |
| 3d | models | #21 | 1291 | 60% |
| mobileapps | agents | #23 | 1169 | 45.8% |
| website | models | #23 | 1276 | 64.3% |
| codecategories | models | #27 | 1272 | 64.2% |
| androidnative | agents | #30 | 1035 | 38.5% |
| dataviz | models | #31 | 1255 | 60.6% |
| gamedev | models | #31 | 1255 | 54.3% |
Cheaper models in the same class
Models scoring within 4 points of Gemini 3.1 Pro Preview on the Intelligence Index, but with a lower output price.
Compare Gemini 3.1 Pro Preview head-to-head
FAQ
How much does the Gemini 3.1 Pro Preview API cost?
$2.00 per 1M input tokens and $12.00 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $5.60.
Is Gemini 3.1 Pro Preview free?
No. It is a paid model starting at $2.00 per 1M input tokens, though some providers offer trial credits.
Which provider is cheapest for Gemini 3.1 Pro Preview?
Google at $3.60 input / $21.60 output per 1M tokens.
Can I self-host Gemini 3.1 Pro Preview?
No. Gemini 3.1 Pro Preview is closed-weight and only available through hosted APIs.