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Vercel AI SDK Deep Dive

14 posts on vercel ai sdk deep dive — part of api integration on the n4n AI blog.

API integrationGuide

Vercel AI SDK v4 migration guide for existing chat apps

Step-by-step vercel ai sdk v4 migration guide for chat apps: update providers, streaming, tool calls, and avoid breaking changes with code.

5 min read
API integrationComparison

Vercel AI SDK useCompletion vs useChat: when to use each

A practical head-to-head of Vercel AI SDK useCompletion vs useChat across capabilities, cost, latency, ergonomics, and limits, with a clear verdict.

5 min read
API integrationTutorial

Vercel AI SDK tool calling: a step-by-step tutorial

Hands-on vercel ai sdk tool calling tutorial: build a typed tool-calling agent with streaming, error handling, and provider fallback in Node.

3 min read
API integrationHow-to

Vercel AI SDK token usage tracking across providers

Learn how to implement Vercel AI SDK token usage tracking across multiple LLM providers with step-by-step code for accurate metering and cost attribution.

3 min read
API integrationHow-to

Vercel AI SDK RSC streaming with React Server Components

Step-by-step guide to implementing Vercel AI SDK RSC streaming with React Server Components in Next.js, from server actions to live UI updates.

4 min read
API integrationTutorial

Vercel AI SDK multi-modal inputs: images and PDFs tutorial

Step-by-step tutorial for the Vercel AI SDK multi-modal images PDFs workflow: send vision and document inputs with runnable TypeScript code and expected outputs.

3 min read
API integrationHow-to

Vercel AI SDK middleware for logging and caching LLM calls

Implement vercel ai sdk middleware logging caching with practical TypeScript examples for production LLM apps, including Redis cache and request logging.

3 min read
API integrationHow-to

Vercel AI SDK generateObject for structured LLM outputs

Learn how to use the Vercel AI SDK generateObject function to get validated structured LLM outputs, with step-by-step setup, Zod schemas, and OpenAI-compatible routing.

3 min read
API integrationGuide

Vercel AI SDK error handling and retry strategies

Vercel AI SDK error handling retries guide: configure maxRetries, write custom retry logic, handle streaming failures, and use a gateway for failover.

4 min read
API integrationTutorial

Vercel AI SDK useChat hook with an OpenAI-compatible provider

Step-by-step tutorial for wiring the Vercel AI SDK useChat hook to any OpenAI-compatible provider, with Next.js route and client streaming code.

3 min read
API integrationTutorial

Vercel AI SDK streamText tutorial with GPT-4o and Claude 3.5

Step-by-step tutorial for Vercel AI SDK streamText with GPT-4o and Claude 3.5. Set up providers, stream responses, and handle errors in Node.

3 min read
API integrationHow-to

Vercel AI SDK provider switching with n4n.ai's routing

Step-by-step guide to Vercel AI SDK provider switching routing via an OpenAI-compatible gateway, enabling automatic fallback across 240+ models without code changes.

3 min read
API integrationHow-to

Configuring the Vercel AI SDK's createOpenAI for custom gateways

Practical steps to configure the Vercel AI SDK's createOpenAI for a custom gateway, covering base URL, auth, routing headers, and verification.

4 min read
API integrationTutorial

Building a full-stack chatbot with the Vercel AI SDK and Next.js

Step-by-step tutorial for building a vercel ai sdk nextjs full-stack chatbot with streaming, tool calls, and an OpenAI-compatible provider. Learn to wire routes, hooks, and UI.

2 min read