Claude is Anthropic's family of AI assistants, first released in March 2023. The product line spans three tiers — Haiku (fast/cheap), Sonnet (balanced), and Opus (most capable) — with major generations including Claude 1, Claude 2, Claude 3, and Claude 4. Claude is available via API, the claude.ai web interface, and Claude Code (a CLI tool for software engineering).
Modality
text, image
Details
Model FamilyClaude
Open WeightNo
Tags
claudeanthropicai-assistantfrontier-ai