Prometheus raises $12 billion Series B for AI engineering tools
Jeff Bezos and Vik Bajaj’s company is developing AI for designing, testing and manufacturing physical products.
Series B financing
Prometheus announced a $12 billion Series B on June 11, 2026, at a valuation of approximately $41 billion. In a CNBC interview, co-founder Jeff Bezos confirmed that the round had concluded and that he had invested again.
Tools for engineers
Bezos and co-founder Vik Bajaj described AI tools spanning design, simulation and manufacturing. The company is investing in models, compute and research infrastructure for engineering work on physical products.
Use of funds
Build AI models and engineering tools for the design, testing and manufacturing of physical products.
Invest in compute and research infrastructure.