What is claude.ai built with?

Founders

Dario Amodei, Daniela Amodei, Jared KaplanCite news, title=Google and Anthropic Are Selling Generative AI to Businesses, Even as They Address Its Shortcomings, url=https://www.wsj.com/articles/google-and-anthropic-are-selling-generative-ai-to-businesses-even-as-they-address-its-shortcomings-ff90d83d, access-date=2024-04-11, language=en-US, archive-date=April 10, 2024, archive-url=https://web.archive.org/web/20240410011503/https://www.wsj.com/articles/google-and-anthropic-are-selling-generative-ai-to-businesses-even-as-they-address-its-shortcomings-ff90d83d, url-status=live, Jack Clarkcite news, title=Alphabet-backed Anthropic outlines the moral values behind its AI bot, url=https://www.reuters.com/technology/alphabet-backed-anthropic-outlines-moral-values-behind-its-ai-bot-2023-05-09/, date=9 May 2023, access-date=4 June 2023, archive-date=5 June 2023, archive-url=https://web.archive.org/web/20230605051105/https://www.reuters.com/technology/alphabet-backed-anthropic-outlines-moral-values-behind-its-ai-bot-2023-05-09/, url-status=live, Chris Olahcite web, url=https://www.cnbc.com/2025/06/10/anthropic-cnbc-disruptor-50.html, title=CNBC Disruptor 50, date=June 10, 2025, author=Ian Thomas, access-date=February 16, 2026, Ben Mann, Sam McCandlish, Tom Brown

Founded

2021-01-26

Key People

ubil, Dario Amodei (CEO), Daniela Amodei (President), Mike Krieger (CPO), Reed Hastings (board member), Chris Liddell (board member)

Industry

Artificial intelligence

Type

Private

Employees

2,500 (2026)

Anthropic PBC is an American artificial intelligence (AI) company headquartered in San Francisco, California. It has developed a series of large language models (LLMs) named Claude and has a focus on AI safety. Anthropic was founded in 2021 by former members of OpenAI, including siblings Daniela Amodei and Dario Amodei, who are president and CEO, respectively. The company is privately held and had an estimated valuation of $965 billion in May 2026, making it the most valuable pure-play AI compan…