Anthropic PBC is an American artificial intelligence (AI) startup and public-benefit corporation, founded by former members of OpenAI. Anthropic specializes in developing general AI systems and language models, with a company ethos of responsible AI usage. Anthropic had raised billion in funding. Anthropic was founded in 2021 by former senior members of OpenAI, principally siblings Daniela Amodei and Dario Amodei, the latter of whom served as OpenAI's Vice President of Research. The Amodei siblings were among others who left OpenAI due to directional differences, specifically regarding OpenAI's ventures with Microsoft in 2019. By late 2022, Anthropic had raised million in funding, out of which million came from Alameda Research. Google's cloud division followed with an investment of million for a 10% stake, in a deal requiring Anthropic to buy computing resources from Google Cloud. In May 2023, Anthropic raised million in a round led by Spark Capital. In February 2023, Anthropic was sued by Texas-based Anthrop LLC for use of their registered trademark "Anthropic A.I." Kevin Roose of The New York Times described the company as the "Center of A.I. Doomerism". He reported that some employees "compared themselves to modern-day Robert Oppenheimers". Journalists often connect Anthropic with the effective altruism movement; some founders and team members were part of the community or at least interested in it. One of the investors of Series B round was Sam Bankman-Fried of the cryptocurrency exchange FTX that collapsed in 2022. Consisting of former researchers involved in OpenAI's GPT-2 and GPT-3 model development, Anthropic began development on its own AI chatbot, named Claude. Similar to ChatGPT, Claude uses a messaging interface where users can submit questions or requests and receive highly detailed and relevant responses. Initially available in closed beta through a Slack integration, Claude is now accessible to users via a website ("claude.ai").