Anthropic files for IPO as Google, Amazon, and Microsoft back rival AI firms

Anthropic has filed for an initial public offering on the Nasdaq under the ticker "ANT," seeking to test public market enthusiasm for the AI company valued at $965 billion after its latest private funding round. The S-1 filing reveals Anthropic has committed to spending at least $110 billion with Amazon, $114.5 billion with Google, and $44.9 billion with Microsoft on cloud computing over the next seven to ten years, regardless of actual usage. Major investors include Amazon, Google, and Microsoft, with Google also identified as a direct competitor alongside OpenAI. The IPO highlights how AI financing now intertwines investment, cloud contracts, and competitive relationships. Venture capital firms like Sequoia Capital, ICONIQ, and Insight Partners hold stakes in both Anthropic and rival OpenAI, reflecting a shift away from traditional VC exclusivity toward backing multiple potential winners in the sector.