Google: Gemini 3.1 Pro Preview API Pricing
Live token cost for Google: Gemini 3.1 Pro Preview from Google. Use the figures below for budgeting, then tune your exact request mix in the interactive calculator. Prices refresh every 24 hours from OpenRouter.
Capabilities
Google: Gemini 3.1 Pro Preview cost at scale
Estimated monthly cost across common production volumes. Assumes 30-day months and the request shapes shown.
| Tier | Requests / day | In / out tokens | $ / month |
|---|---|---|---|
| Hobby | 1,000 | 500 / 200 | $102.00 |
| Startup | 10,000 | 1,500 / 500 | $2,700.00 |
| Growth | 100,000 | 3,000 / 800 | $46,800.00 |
| Enterprise | 1,000,000 | 8,000 / 2,000 | $1,200,000.00 |
Compare Google: Gemini 3.1 Pro Preview vs.
Frequently asked questions
How much does Google: Gemini 3.1 Pro Preview cost?
Google: Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens and $12.00 per 1M output tokens, with cached input at $0.20 per 1M tokens. A typical 1,500-token in / 500-token out request costs $0.00900.
Does Google: Gemini 3.1 Pro Preview support cached input?
Yes. Google: Gemini 3.1 Pro Preview supports prompt caching at $0.20 per 1M cached input tokens. Reuse the same system prompt or context across requests to cut input cost dramatically.
What is the Google: Gemini 3.1 Pro Preview context window?
Google: Gemini 3.1 Pro Preview supports a context window of 1,048,576 tokens (1049K). Max output per response is 65,536 tokens.
What is Google: Gemini 3.1 Pro Preview good for?
Google: Gemini 3.1 Pro Preview is a good fit for long context (1M+ tokens), multimodal grounding, document QA. For other use cases, run your specific input/output mix through the interactive calculator to compare against alternative models.