The AI boom is poised to revolutionize global philanthropy, with Silicon Valley emerging as its new epicenter. Giants like Anthropic and OpenAI are set to establish the world's largest charitable organizations following their IPOs. This new era of giving will prioritize flexible capital and ambitious, measurable impact, mirroring startup culture. Anthropic recently announced plans to launch a massive benefit fund, allocating 5% of its shares. This pledge would equate to a substantial sum, growing with the company's valuation. The fund, structured as a wholly owned LLC, will offer flexibility in its charitable endeavors. This commitment builds upon existing gestures, demonstrating a significant dedication to giving back. OpenAI, controlled by a nonprofit foundation with a substantial equity stake, also showcases this trend. Anthropic intends to continue internal work on AI safety and research, while the new fund aims for broader, scaled giving. Potential uses include addressing the labor market impacts of AI, with an initial $200 million commitment. The company's founders and employees are linked to the effective altruism movement. This movement has faced criticism for its focus on specific ethical considerations. Nevertheless, Anthropic's fund, alongside other emerging donors, signifies a significant shift in philanthropic landscapes.