Anthropic API vs Claude

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.

Claude is an AI assistant by Anthropic available through a conversational interface for writing, analysis, coding, and general knowledge tasks. It is built on Anthropic's constitutional AI approach and emphasizes safety and helpfulness.