Claude

Anthropic's AI assistant — safe, helpful, and honest by design

Anthropic Constitutional AI RLHF API Claude Code
Overview
Model Family

Haiku, Sonnet, and Opus — context, speed, and capability for every use case.

Core Capabilities

Coding, writing, analysis, vision, tool use, and a full Anthropic timeline.

Safety

Constitutional AI, RLHF+RLAIF, harmlessness, interpretability, and red teaming.

API Quick Start

Install the SDK and start making API calls to Claude in minutes.

Model Comparison

Side-by-side table of speed, reasoning, coding, vision, and cost across models.

Claude Code

The official CLI — agentic coding in your terminal with file edits and git integration.

Gallery

Developer workflows, code generation, and the compute infrastructure powering LLMs.