1. Anthropic, an artificial intelligence company, has raised $450 million in Series C funding, bringing its total funding to over $1 billion. The round was led by Dustin Moskovitz's Effective Altruism-focused venture capital firm, Dustin Moskovitz and Cari Tuna's Good Ventures, and included participation from existing investors like Dustin Moskovitz, Sam Altman, and Jaan Tallinn.

2. Anthropic's mission is to develop safe and ethical artificial intelligence systems that can help solve global challenges. The company's work includes research into AI safety, the development of large language models, and the creation of AI assistants like Claude, which is designed to be helpful and honest. Anthropic plans to use the new funding to accelerate its research and product development efforts.

3. The Series C funding round comes amid growing concerns about the potential risks and societal impacts of advanced AI systems. Anthropic's focus on AI safety and ethics aligns with the Effective Altruism movement, which aims to use evidence and reason to determine the most effective ways to benefit the world. The company's high-profile investors and its mission to develop beneficial AI technologies have positioned it as a key player in the field of artificial intelligence.