Vercel AI SDK Tool &amp; Function Calling

Framework tutorialsComparison

Tool calling with Claude 3.5 Sonnet through n4n.ai

Build a working tool-calling loop with Claude 3.5 Sonnet using Vercel AI SDK and n4n.ai's OpenAI-compatible endpoint, with runnable code at every step.

July 27, 20263 min read

Tool calling across models: GPT-4o vs Llama 3.1 via n4n.ai

Compare GPT-4o and Llama 3.1 tool calling performance, schema adherence, and integration patterns for production LLM applications.

July 27, 20266 min read

Framework tutorialsDefinition

Streaming tool call results with Vercel AI SDK

Learn to stream tool call results in real-time with Vercel AI SDK using useChat, streamText, and tool handlers for responsive UX.

July 27, 20264 min read

Parallel tool calls in the Vercel AI SDK explained

How parallel tool calls work in the Vercel AI SDK, why they reduce latency, and the patterns to use them correctly in production.

July 27, 20264 min read

Multi-step tool calls with Vercel AI SDK's maxSteps

Learn how to configure maxSteps in Vercel AI SDK for multi-step tool calling, with runnable examples and verification steps for production use.

July 27, 20265 min read

Debugging tool call errors in the Vercel AI SDK

A step-by-step guide to diagnosing and fixing tool call failures in the Vercel AI SDK, from schema mismatches to provider quirks.

July 27, 20265 min read

Connect a database query tool to Vercel AI SDK

Learn to connect a database query tool to Vercel AI SDK with typed tools, streaming responses, and a working Next.js example you can run locally.

July 27, 20264 min read

Vercel AI SDK tool calling: a complete walkthrough

A practical vercel ai sdk tool calling tutorial: step by step, build a typed tool-calling agent with streaming, error handling, and provider fallback in Node.

Function calling with GPT-4o via Vercel AI SDK and n4n.ai

Step-by-step tutorial for gpt-4o function calling with Vercel AI SDK via n4n.ai gateway, including runnable code and expected output.

July 19, 20262 min read

Define tools with Zod schemas in the Vercel AI SDK

Learn how to define tools with Zod schemas in the Vercel AI SDK for type-safe function calling. Step-by-step guide with runnable TypeScript code.

Building a multi-tool agent with Vercel AI SDK and n4n.ai

Hands-on tutorial to build a Vercel AI SDK multi-tool agent on n4n.ai's OpenAI-compatible gateway, with runnable TypeScript, tool calling, and step logs.

Build a weather tool with Vercel AI SDK function calling

Hands-on tutorial: build a vercel ai sdk weather tool example with function calling, Open-Meteo, and TypeScript. Runnable code and expected output included.