Build a Streaming AI Chat with Next.js 16 and OpenAI (No Vercel AI SDK)
This article explains how to build a streaming AI chat application using Next.js 16 and the OpenAI API, without relying on the Vercel AI SDK. The approach provides full control over the data stream and is provider-agnostic.
Why it matters
This tutorial provides a flexible and lightweight approach to building AI-powered chat applications, which is valuable for developers who want more control over their integration or need to work with different AI providers.
Key Points
- 1Builds a streaming AI chat without using the Vercel AI SDK
- 2Provides full control over the data stream and allows swapping OpenAI for other providers
- 3Results in a smaller bundle size with no extra dependencies
Details
The article demonstrates how to create a Next.js API route that interacts directly with the OpenAI API to generate streaming responses for a chat application. The key steps include setting up the API route, handling the request and response, and parsing the data stream. This approach gives developers full control over the data flow, allowing them to customize the integration and swap out the AI provider if needed. Additionally, by avoiding the Vercel AI SDK, the application's bundle size is kept smaller with no extra dependencies.
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