Gemini 3.1 Pro Review: Google's Reasoning AI Beats Claude on Benchmarks (2026)

npm install @google/generative-ai

import { GoogleGenerativeAI } from "@google/generative-ai";

const genAI = new GoogleGenerativeAI(process.env.GEMINI_API_KEY);

async function analyzeWorkflow() {
  const model = genAI.getGenerativeModel({
    model: "gemini-3.1-pro-preview",
    generationConfig: {
      thinkingMode: "medium", // low | medium | high
      temperature: 0.7,
      maxOutputTokens: 8192
    }
  });

  const prompt = `Analyze this n8n workflow and identify bottlenecks:

  [Paste 200+ node workflow JSON here]

  Focus on: async issues, rate limits, error handling gaps.`;

  const result = await model.generateContent(prompt);
  console.log(result.response.text());
}

analyzeWorkflow();

🎥 Multimodal: Video Analysis

import { GoogleGenerativeAI } from "@google/generative-ai";
import fs from "fs";

async function analyzeMeetingVideo() {
  const genAI = new GoogleGenerativeAI(process.env.GEMINI_API_KEY);
  const model = genAI.getGenerativeModel({ model: "gemini-3.1-pro-preview" });

  const videoData = fs.readFileSync("./client-kickoff.mp4");
  const videoBase64 = videoData.toString("base64");

  const result = await model.generateContent([
    {
      inlineData: {
        mimeType: "video/mp4",
        data: videoBase64
      }
    },
    `Extract from this 1-hour meeting:
    1. Action items with owners + deadlines
    2. Key decisions made
    3. Unresolved questions
    4. Next steps

    Format as JSON with timestamps.`
  ]);

  console.log(result.response.text());
}

analyzeMeetingVideo();