ai-sdk-5

When to Use

Triggers: When building AI chat interfaces, using Vercel AI SDK, streaming LLM responses, or integrating tools.

Load when: building AI chat with Vercel AI SDK 5, streaming responses, integrating tools/function calling, or migrating from AI SDK 4.

Critical Breaking Changes from v4

// ✅ v5 — import from @ai-sdk/react
import { useChat } from '@ai-sdk/react';

// ❌ v4 (no longer valid as before)
import { useChat } from 'ai/react';

// ✅ v5 — Transport-based architecture
import { DefaultChatTransport } from '@ai-sdk/react';