According to a recent LinkedIn post from Polymarket, Anthropic is reportedly set to close a $30 billion funding round at an implied $900 billion valuation, which the post suggests would make it the world’s most valuable AI startup and place it ahead of OpenAI. The post attributes the round to strong demand for frontier models and “agentic AI,” and notes that Sequoia, Dragoneer, Altimeter, and Greenoaks are cited as leading what is characterized as one of the largest private tech raises to date.
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The LinkedIn post argues that such a capital infusion would give Anthropic a substantial advantage in access to compute, talent, and infrastructure, framing capital availability as a key competitive moat in the current AI cycle. It also situates the development within a broader race among major players, mentioning OpenAI’s consumer push, Google’s Gemini integration, and Meta’s ecosystem-wide AI rollout, and suggests that escalating private funding is reshaping AI industry structure and potentially accelerating the emergence of very large, highly capitalized AI platforms.