The Financial Times reports that Anthropic was assigned the highest possible credit rating within the so-called junk category in June, placing it just below investment-grade status. The rating, issued by a credit agency, positions the company at the upper end of high-yield debt, a notable placement for a generative AI company that remains largely unprofitable.
The rating comes as Anthropic, alongside rivals such as OpenAI and xAI, looks to diversify its funding sources beyond equity rounds. The computing infrastructure needed to train and run models like Claude involves substantial costs that are increasingly difficult to cover through venture capital alone. Turning to debt instruments, including bonds and loans, is becoming a more common path for frontier AI labs seeking capital.
That Anthropic secured the top rating within speculative-grade territory reflects rating agencies' confidence in its growth trajectory and strategic backing, particularly from Google and Amazon, both major investors that provide capital as well as access to cloud infrastructure. This perceived financial strength stands in contrast to the company's still-significant operating losses, a pattern common across the sector at this stage of development.
Beyond Anthropic's specific case, the episode points to a broader shift in how generative AI is being financed. Bond markets are starting to take interest in companies whose business models depend on massive infrastructure spending and still-uncertain long-term revenue. This growing access to debt markets could accelerate the pace of compute investment, but it also introduces new risks if revenue growth fails to match the projections underlying these ratings.