Anthropic API vs Vercel AI SDK

The Anthropic API provides programmatic access to Claude, Anthropic's family of AI language models including Claude Opus, Sonnet, and Haiku. It supports text generation, code generation, analysis, and tool use through a REST API and official SDKs for Python and TypeScript. The API uses token-based pricing with different rates for input and output tokens.

Vercel AI SDK TypeScript toolkit for building AI-powered applications with streaming, tool calling, and multi-provider support.