File: generate-text-with-chat-prompt.md | Updated: 11/15/2025
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Generate Text with Chat Prompt
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Previously, we were able to generate text and objects using either a single message prompt, a system prompt, or a combination of both of them. However, there may be times when you want to generate text based on a series of messages.
A chat completion allows you to generate text based on a series of messages. This series of messages can be any series of interactions between any number of systems, but the most popular and relatable use case has been a series of messages that represent a conversation between a user and a model.
import { generateText } from 'ai';import { openai } from '@ai-sdk/openai';
const result = await generateText({ model: openai('gpt-4o'), maxOutputTokens: 1024, system: 'You are a helpful chatbot.', messages: [ { role: 'user', content: [{ type: 'text', text: 'Hello!' }], }, { role: 'assistant', content: [{ type: 'text', text: 'Hello! How can I help you today?' }], }, { role: 'user', content: [{ type: 'text', text: 'I need help with my computer.' }], }, ],});
console.log(result.text);
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Generate Text with Chat Prompt
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