streamText( )

Pattern

Streaming Structured Output

Stream structured output from AI prompts in real-time using streamText with Output.object(). Generate typed data with useObject and live rendering.

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Problems solved

  • Stream structured objects with streamObject
  • Validate progressive JSON against a Zod schema
  • Render partial structured output as it arrives

Use cases

  • Streaming form-fill prototypes
  • Live structured extraction demos
  • AI SDK streamObject onboarding samples
  • Progressive JSON generation UIs

AI SDK APIs

streamTextOutput.objectuseObjectgateway

Tags

aipromptobject-generationstreamingstructured-dataai-sdkopenaizod

Environment variables

External services

openai

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Related patterns

Stream TextStream text responses from AI prompts in real-time. Includes character counting and live response rendering with useCompletion.
OpenAI Structured OutputGenerate structured output from AI prompts using OpenAI. Create typed data with generateText and Output.object().
Claude Structured OutputGenerate structured output from AI prompts using Anthropic Claude. Create typed data with generateText and Output.object().
Gemini Structured OutputGenerate structured output from AI prompts using Google Gemini. Create typed data with generateText and Output.object().