Blackstone, a major investor in Anthropic’s $63 billion chip financing deal, has revised its outlook for the AI lab’s credit rating ahead of its IPO. The firm now predicts the company will receive a ‘junk’ rating, reversing a previous forecast that it would achieve investment-grade status before 2027. This downgrade signals growing concerns among investors regarding the lab’s massive spending on compute power.

A lower credit rating creates significant hurdles for Anthropic, as it will likely make raising capital more expensive and difficult. The company has been aggressively signing deals for compute resources over the last year, a strategy that has sparked speculation about the broader AI industry. Blackstone declined to comment on the prediction, and Anthropic did not respond to inquiries about the rating.