Claude

Claude (by Anthropic) is OpenAI's main competitor. It is famous for its large context window (200k+), low hallucination rates, and "Artifacts" UI.

When to Use

• Advanced Reasoning & Complex Analysis: Claude 3.5 Sonnet / Opus for intricate coding, mathematics, and logic.
• Prompt Caching on Large Contexts: Slashing latency and cost by up to 90% for repeated documentation, codebases, and books.
• Reliable Tool & Function Calling: Multi-turn agentic workflows invoking APIs and external tools with strict schema adherence.
• Vision & Document Intelligence: Transcribing, analyzing, and extracting data from charts, screenshots, and PDFs.

Quick Start

import anthropic

client = anthropic.Anthropic()