自 2025 年 4 月 29 日起,Gemini 1.5 Pro 和 Gemini 1.5 Flash 模型將無法用於先前未使用這些模型的專案,包括新專案。詳情請參閱「
模型版本和生命週期」。
使用多模態 AI 模型產生內容的設定
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本範例說明如何為多模態 AI 模型提供使用者設定
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[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Configurations to generate content with Multimodal AI Model\n\nThis sample demonstrates how to provide user configurations to a Multimodal AI Model\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Content generation parameters](/vertex-ai/generative-ai/docs/multimodal/content-generation-parameters)\n\nCode sample\n-----------\n\n### Go\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 \tgenai \"google.golang.org/genai\"\n )\n\n // generateWithConfig shows how to generate text using a text prompt and custom configuration.\n func generateWithConfig(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 \tmodelName := \"gemini-2.5-flash\"\n \tcontents := genai.Text(\"Why is the sky blue?\")\n \t// See the documentation: https://googleapis.github.io/python-genai/genai.html#genai.types.GenerateContentConfig\n \tconfig := &genai.GenerateContentConfig{\n \t\tTemperature: genai.Ptr(float32(0.0)),\n \t\tCandidateCount: int32(1),\n \t\tResponseMIMEType: \"application/json\",\n \t}\n\n \tresp, err := client.Models.GenerateContent(ctx, modelName, contents, config)\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// {\n \t// \"explanation\": \"The sky is blue due to a phenomenon called Rayleigh scattering ...\n \t// }\n\n \treturn nil\n }\n\n### Python\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 GenerateContentConfig, 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=\"Why is the sky blue?\",\n # See the SDK documentation at\n # https://googleapis.github.io/python-genai/genai.html#genai.types.GenerateContentConfig\n config=GenerateContentConfig(\n temperature=0,\n candidate_count=1,\n response_mime_type=\"application/json\",\n top_p=0.95,\n top_k=20,\n seed=5,\n max_output_tokens=500,\n stop_sequences=[\"STOP!\"],\n presence_penalty=0.0,\n frequency_penalty=0.0,\n ),\n )\n print(response.text)\n # Example response:\n # {\n # \"explanation\": \"The sky appears blue due to a phenomenon called Rayleigh scattering. When ...\n # }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=googlegenaisdk)."]]