Veo 3.1 Video Generation

Model: veo-3.1-generate-preview SDK: @google/genai (npm) Auth: GEMINI_API_KEY environment variable (or pass apiKey to GoogleGenAI constructor)

Core Pattern

Every Veo workflow follows: generate -> poll -> download.

import { GoogleGenAI } from "@google/genai";

const ai = new GoogleGenAI({});