Claude
Anthropic's family of large language models designed with a focus on safety, helpfulness, and honesty, using Constitutional AI alignment techniques.
Model Family
Claude comes in multiple tiers: Opus (most capable), Sonnet (balanced), and Haiku (fast and efficient). Claude supports long context windows (200K+ tokens), vision, tool use, and extended thinking.
Design Philosophy
Anthropic focuses on AI safety research. Claude is trained using Constitutional AI (principles-based alignment) and RLHF, with emphasis on being helpful while avoiding harmful outputs. Extended thinking allows the model to reason step-by-step before responding.