A partire dal 29 aprile 2025, i modelli Gemini 1.5 Pro e Gemini 1.5 Flash non sono disponibili nei progetti che non li hanno mai utilizzati, inclusi i nuovi progetti. Per maggiori dettagli, vedi
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Generare testo utilizzando il modello di IA generativa
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Questo esempio di codice mostra come utilizzare il modello di AI generativa per generare contenuti per un determinato input di testo.
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Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:
Esempio di codice
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[[["Facile da capire","easyToUnderstand","thumb-up"],["Il problema è stato risolto","solvedMyProblem","thumb-up"],["Altra","otherUp","thumb-up"]],[["Difficile da capire","hardToUnderstand","thumb-down"],["Informazioni o codice di esempio errati","incorrectInformationOrSampleCode","thumb-down"],["Mancano le informazioni o gli esempi di cui ho bisogno","missingTheInformationSamplesINeed","thumb-down"],["Problema di traduzione","translationIssue","thumb-down"],["Altra","otherDown","thumb-down"]],[],[],[],null,["This code sample demonstrates how to use Generative AI model to generate content for a given text input.\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Gemini API in Vertex AI quickstart](/vertex-ai/generative-ai/docs/start/quickstart)\n- [Generate content with the Gemini API in Vertex AI](/vertex-ai/generative-ai/docs/model-reference/inference)\n- [Google Gen AI SDK](/vertex-ai/generative-ai/docs/sdks/overview)\n- [Quickstart: Generate text using the Vertex AI Gemini API](/vertex-ai/generative-ai/docs/start/quickstarts/quickstart-multimodal)\n- [Text generation](/vertex-ai/generative-ai/docs/multimodal/send-chat-prompts-gemini)\n\nCode sample \n\nGo\n\n\nBefore trying this sample, follow the Go setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Go API\nreference documentation](/go/docs/reference/cloud.google.com/go/aiplatform/latest/apiv1).\n\n\nTo authenticate to Vertex AI, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import (\n \t\"context\"\n \t\"fmt\"\n \t\"io\"\n\n \t\"google.golang.org/genai\"\n )\n\n // generateWithText shows how to generate text using a text prompt.\n func generateWithText(w io.Writer) error {\n \tctx := context.Background()\n\n \tclient, err := genai.NewClient(ctx, &genai.ClientConfig{\n \t\tHTTPOptions: genai.HTTPOptions{APIVersion: \"v1\"},\n \t})\n \tif err != nil {\n \t\treturn fmt.Errorf(\"failed to create genai client: %w\", err)\n \t}\n\n \tresp, err := client.Models.GenerateContent(ctx,\n \t\t\"gemini-2.5-flash\",\n \t\tgenai.Text(\"How does AI work?\"),\n \t\tnil,\n \t)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"failed to generate content: %w\", err)\n \t}\n\n \trespText := resp.Text()\n\n \tfmt.Fprintln(w, respText)\n \t// Example response:\n \t// That's a great question! Understanding how AI works can feel like ...\n \t// ...\n \t// **1. The Foundation: Data and Algorithms**\n \t// ...\n\n \treturn nil\n }\n\nJava\n\n\nBefore trying this sample, follow the Java setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Java API\nreference documentation](/java/docs/reference/google-cloud-aiplatform/latest/com.google.cloud.aiplatform.v1).\n\n\nTo authenticate to Vertex AI, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n import com.google.genai.Client;\n import com.google.genai.types.GenerateContentResponse;\n import com.google.genai.types.HttpOptions;\n\n public class TextGenerationWithText {\n\n public static void main(String[] args) {\n // TODO(developer): Replace these variables before running the sample.\n String modelId = \"gemini-2.5-flash\";\n generateContent(modelId);\n }\n\n // Generates text with text input\n public static String generateContent(String modelId) {\n // Initialize client that will be used to send requests. This client only needs to be created\n // once, and can be reused for multiple requests.\n try (Client client =\n Client.builder()\n .location(\"global\")\n .vertexAI(true)\n .httpOptions(HttpOptions.builder().apiVersion(\"v1\").build())\n .build()) {\n\n GenerateContentResponse response =\n client.models.generateContent(modelId, \"How does AI work?\", null);\n\n System.out.print(response.text());\n // Example response:\n // Okay, let's break down how AI works. It's a broad field, so I'll focus on the ...\n //\n // Here's a simplified overview:\n // ...\n return response.text();\n }\n }\n }\n\nNode.js\n\n\nBefore trying this sample, follow the Node.js setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Node.js API\nreference documentation](/nodejs/docs/reference/aiplatform/latest).\n\n\nTo authenticate to Vertex AI, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n const {GoogleGenAI} = require('@google/genai');\n\n const GOOGLE_CLOUD_PROJECT = process.env.GOOGLE_CLOUD_PROJECT;\n const GOOGLE_CLOUD_LOCATION = process.env.GOOGLE_CLOUD_LOCATION || 'global';\n\n async function generateContent(\n projectId = GOOGLE_CLOUD_PROJECT,\n location = GOOGLE_CLOUD_LOCATION\n ) {\n const ai = new GoogleGenAI({\n vertexai: true,\n project: projectId,\n location: location,\n });\n\n const response = await ai.models.generateContent({\n model: 'gemini-2.5-flash',\n contents: 'How does AI work?',\n });\n\n console.log(response.text);\n\n return response.text;\n }\n\nPython\n\n\nBefore trying this sample, follow the Python setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Python API\nreference documentation](/python/docs/reference/aiplatform/latest).\n\n\nTo authenticate to Vertex AI, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n from google import genai\n from google.genai.types import HttpOptions\n\n client = genai.Client(http_options=HttpOptions(api_version=\"v1\"))\n response = client.models.generate_content(\n model=\"gemini-2.5-flash\",\n contents=\"How does AI work?\",\n )\n print(response.text)\n # Example response:\n # Okay, let's break down how AI works. It's a broad field, so I'll focus on the ...\n #\n # Here's a simplified overview:\n # ...\n\nWhat's next\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=googlegenaisdk)."]]