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Generate content using Vertex AI Express Mode
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This sample utilizes Vertex AI Express Mode to generate text content.
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For detailed documentation that includes this code sample, see the following:
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# Generate content using Vertex AI Express Mode\n\nThis sample utilizes Vertex AI Express Mode to generate text content.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Google Gen AI SDK](/vertex-ai/generative-ai/docs/sdks/overview)\n- [Vertex AI in express mode overview](/vertex-ai/generative-ai/docs/start/express-mode/overview)\n\nCode sample\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\n # TODO(developer): Update below line\n API_KEY = \"YOUR_API_KEY\"\n\n client = genai.Client(vertexai=True, api_key=API_KEY)\n\n response = client.models.generate_content(\n model=\"gemini-2.5-flash\",\n contents=\"Explain bubble sort to me.\",\n )\n\n print(response.text)\n # Example response:\n # Bubble Sort is a simple sorting algorithm that repeatedly steps through the list\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)."]]