# Anthropic

Anthropic is a silicon valley startup and AI company that develops and sells LLM models and LLM-based products and services. They also developed the Model Context Protocol for passing information between models.

## Key Information

- Founded as a competitor to OpenAI
- Developed the Claude model series, including Claude 3 Opus, Sonnet, and Haiku
- Known for safety-focused AI development approaches
- Created the Model Context Protocol (MCP) standard

## Relationship to Other Models

Anthropic are one of the earliest competitors to OpenAI and their Claude Sonnet and Opus series models were early competitors to GPT-4.

## Claude Models

The Claude model series includes several versions:

### Claude 3 Series
- [Anthropic Claude 3 Opus](https://wiki.jamesravey.me/books/ai-and-ml/page/anthropic-claude-3-opus)
- Anthropic Claude 3 Sonnet
- Anthropic Claude 3 Haiku

### Other Models
- Anthropic Claude 2
- Anthropic Claude 1

## Related Content

- Model Context Protocol