Jun 2, 2026 – 8.44amWashington | Anthropic has struck first in the race with OpenAI to tap public markets to fund the bitter rivals’ pursuit of building the world’s most powerful artificial intelligence engine.The San Francisco-based AI lab run by siblings Dario and Daniela Amodei lodged paperwork with the US corporate regulator on Monday (Tuesday AEST) for an initial public offering that could come within months, jumping ahead of Sam Altman’s OpenAI, which is working with bankers on its own filing.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles