Claude: The Precise Assistant from Anthropic

Wissen

What Is Claude?

Claude is an AI chatbot by Anthropic, a company founded in 2021 by former OpenAI employees. The name "Claude" is a tribute to the mathematician Claude Shannon, the founder of information theory.

The premium model is Claude Fable 5 (released June 9, 2026) — the first publicly available model of Anthropic's Mythos class. The strongest all-round model is Claude Opus 5 (July 2026). Claude stands out particularly for its precision, honest communication, and strong performance on technical tasks.

Special Features of Claude

1 Million Token Context

Claude Opus 5 can process up to 1 million tokens at once -- that is roughly 750,000 words or about 12 books. In practice, this means: you can give Claude an entire book, a complete business report, or thousands of pages of code and ask questions about it.

Coding Strength

Claude is considered one of the best models for programming as of September 2026 — Claude Opus 5 reaches around 96 % on SWE-bench Verified, Claude Fable 5 95 %. It can:

• Write code in dozens of programming languages
• Analyze existing code and find bugs
• Explain complex software architectures
• Perform code reviews and suggest improvements

Precision and Honesty

Claude tends to "hallucinate" less than many other models. When Claude does not know something or is uncertain, it says so openly instead of making up an answer. This honesty makes Claude particularly reliable for professional applications.

Understanding Long Documents

Thanks to its large context window, Claude is especially good at handling long texts:

• Analyzing contracts and legal documents
• Summarizing scientific papers
• Understanding large codebases
• Editing book manuscripts

Claude Code: AI Directly in the Terminal

A special feature from Anthropic is Claude Code -- a standalone tool that brings Claude directly into your terminal, your development environment (IDE), or your desktop.

Claude Code can:

• Work in the terminal: Execute commands, create and edit files
• Understand entire projects: Thanks to its large context, Claude Code can grasp a complete software project
• Program independently: Handle tasks like "Write tests for this function" or "Refactor this module"
• Integrate into IDEs: Available as an extension for VS Code and other editors
• Run on the desktop: As a standalone application for non-developers

Pricing Model: Free vs. Pro vs. Max

Verstehen

Think of Claude as a particularly thorough and honest advisor: it takes time to explain things precisely, admits when it does not know something, and is especially good at understanding complex documents and providing precise answers.

Think of it this way: if ChatGPT can read a notebook, Claude can read an entire library -- and still provide precise answers to detailed questions.

The free version uses the smaller Sonnet model. For full access to Opus 5 and the large context window, you need at least the Pro subscription. Max is worthwhile for power users and professional developers — especially because of the high limits for Claude Code.

Anwenden

Claude is particularly well-suited when you need to analyze long documents, write code, or get precise answers to complex questions. Try the free version at claude.ai and test its strengths yourself.

Reflect

Claude represents a different approach to AI development: less hype, more substance. The focus on safety, precision, and honesty makes Claude particularly attractive for professional applications and for anyone who values reliable answers. In the next section, you will learn about Gemini -- Google's answer to the AI boom, deeply integrated into the products you may already use every day.