Jeff Bezos is close to finalizing a $10 billion funding round for Project Prometheus, the AI lab he co-founded and now runs as co-CEO with Vikram Bajaj, according to a Financial Times report first surfaced on April 21, 2026. The round values the company at roughly $38 billion and is being led by BlackRock and JPMorgan. When it closes, total capital raised will exceed $16 billion — including the $6.2 billion the company disclosed when it launched publicly in November 2025. Prometheus is based in San Francisco with offices in London and Zurich.
Prometheus is pitching itself on what the industry calls 'physical AI' — models trained to understand the laws of physics and the behavior of real-world systems, aimed at industrial, engineering, and manufacturing applications rather than text and image generation. Separately, Bezos is reportedly exploring a holding-company vehicle that would raise as much as $100 billion to acquire industrial businesses, then feed their operational data into Prometheus's models. That would be an unusual capital structure for an AI lab, closer to how private-equity rollups work than how OpenAI or Anthropic have financed themselves.
The round lands at a moment when frontier labs are under pressure to justify their valuations with real revenue. Anthropic's run-rate passed $30 billion this month and OpenAI is reportedly preparing an IPO. Prometheus is betting the next wave of value sits outside the chatbot category — in robotics, in factory floors, in equipment that needs to reason about the physical world. It is the largest single bet on that thesis so far, and it marks Bezos's first operational technology role since he stepped down as Amazon CEO in 2021.
Takeaway for learners: 'AI' is splitting into distinct research programs with different data, different benchmarks, and different customer bases. Language models learn from text. World models and physical-AI systems learn from sensors, video, and simulated physics. The skill sets barely overlap. If you are a student deciding where to specialize, notice that the biggest new checks are flowing toward labs that treat the physical world — not the internet — as the training distribution. That shift will shape what jobs exist in 2028 and beyond.