为什么选择 Gemini 3.1 Pro？
Google 的 Gemini 3.1 Pro 是处理大规模数据集和复杂科学推理的王者。
- 2M 极限上下文：支持处理长达 2 小时的视频或数万行代码，拥有最强的长程记忆。
- 科学推理专家：在物理、数学和前沿科学论文分析上表现最为突出。
- 原生全模态：完美融合文字、声音和视频流的处理。
Free Gemini 3.1 Pro API
Updated 5/11/2026
The leader in scientific reasoning and multi-hour long-context data analysis.
About the Model
How to call Gemini 3.1 Pro
javascript
import { generateText } from 'ai';
import { openai } from '@ai-sdk/openai'; // Or correct provider
const { text } = await generateText({
model: google('gemini-3.1-pro-latest'),
prompt: 'Hello AI!',
});
console.log(text);Provider Details
The following platforms provide free access to Gemini 3.1 Pro through free tiers, trial credits, or daily quotas.
| Provider | Context Window | Free Quota | Requires CC | Trust | Action |
|---|---|---|---|---|---|
| Vercel AI Gateway | N/A | $5/mo | No | Trust 98 | Details |
Frequently Asked Questions
Is Gemini 3.1 Pro free to use?
Yes. Gemini 3.1 Pro is available for free through 1 provider(s) listed below, with no purchase required.
What are the rate limits and quotas?
Free access varies by provider — Vercel AI Gateway: Monthly Credits.
How do I get a free Gemini 3.1 Pro API key?
Sign up with Vercel AI Gateway, then create an API key from your dashboard. See the provider details above for the exact steps.
Which providers offer Gemini 3.1 Pro for free?
Gemini 3.1 Pro is currently available for free via: Vercel AI Gateway.
Know another free provider for Gemini 3.1 Pro?
Help the community by sharing other ways to access this model for free.