Platforms

Anthropic

AI safety company that builds Claude, a large language model focused on being helpful, honest, and harmless with strong reasoning capabilities.

What is Anthropic?

Anthropic is an AI safety company that builds Claude, a large language model that competes with GPT-4 and Gemini.

Founded in 2021 by former OpenAI researchers Dario and Daniela Amodei, the company focuses on Constitutional AI - training models to be helpful, honest, and harmless through explicit principles rather than just human feedback.

Most builders use Claude through the web interface at Claude.ai, the API, or tools like Cursor. Claude 3.5 Sonnet (their latest model) is particularly strong at coding, analysis, and following complex instructions. It has a 200K token context window, which means it can process entire codebases or long documents in one go.

The API uses usage-based pricing. Free tier available at Claude.ai with message limits. Pro plan is $20/month for higher limits.

Good to Know

Founded by former OpenAI safety researchers in 2021
Claude 3.5 Sonnet has a 200K token context window for processing large documents
Uses Constitutional AI approach - training models with explicit principles
Backed by Google, Salesforce, and other major investors
Strong at coding tasks, especially through tools like Cursor

How Vibe Coders Use Anthropic

1
Building features with Claude's API when you need strong reasoning over large contexts
2
Analyzing entire codebases to understand legacy projects or plan refactors
3
Processing long documents like legal contracts or research papers in one prompt
4
Using Claude through Cursor for AI-assisted coding with better context awareness

Frequently Asked Questions

Related Terms

Prompt Engineering

The practice of crafting specific instructions to get better outputs from AI models like ChatGPT, Claude, or Gemini.

Claude Opus 4.6

Anthropic's most capable AI model, optimized for complex coding, long-running tasks, and enterprise workflows with a 1M token context window.

AI Model

A trained algorithm that takes inputs (text, images, data) and produces outputs (predictions, classifications, generated content).

AI Safety

Research and practices focused on ensuring AI systems behave as intended and don't cause unintended harm to humans or society.

Claude Haiku 4.5

Anthropic's fastest, most affordable AI model that delivers near-frontier coding performance at one-third the cost of premium models.

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