Gemini 3.1 Pro

New

Google's most advanced reasoning model for complex tasks

Parameters

Pro

Context Length

About this model

Gemini 3.1 Pro is Google's advanced multimodal model, handling text, images, and long documents in a single 1M-token context. It offers strong reasoning, coding, and analysis capabilities. Available on the DOS.AI gateway with an OpenAI-compatible endpoint and unified billing.

Capabilities

MultimodalVisionLong context (1M)Advanced reasoningTool calling

Use Cases

Long-document analysis
Multimodal apps
Research
Agents

Model Details

Provider: Google
Model ID: gemini-3.1-pro
Parameters: Pro
Context Length: 1M tokens
Category: chat

API Usage

Use the DOS API to integrate Gemini 3.1 Prointo your applications. Our API is compatible with OpenAI's client libraries for easy migration.

Model ID

gemini-3.1-pro

Python

python

from dos import DOS

client = DOS()

response = client.chat.completions.create(
    model="gemini-3.1-pro",
    messages=[
        {"role": "user", "content": "Hello, how are you?"}
    ]
)

print(response.choices[0].message.content)

cURL

bash

curl https://api.dos.ai/v1/chat/completions \
  -H "Authorization: Bearer $DOS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-pro",
    "messages": [
      {"role": "user", "content": "Hello, how are you?"}
    ]
  }'

Node.js

javascript

import DOS from 'dos-ai';

const client = new DOS();

const response = await client.chat.completions.create({
  model: "gemini-3.1-pro",
  messages: [
    { role: "user", content: "Hello, how are you?" }
  ]
});

console.log(response.choices[0].message.content);

View full API reference

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