Starcloud, a space compute startup, has closed a $170 million Series A at a $1.1 billion valuation, reaching unicorn status just 17 months after Y Combinator demo day. The round was led by Benchmark and EQT Ventures, bringing total funding to approximately $200 million.
The company launched its first satellite carrying an Nvidia H100 GPU in late 2025. CEO Philip Johnston acknowledged the limitations, stating the H100 isn't optimal for space but proved they could run state-of-the-art terrestrial chips in orbit. Future versions will carry multiple GPUs.
The business model depends entirely on rocket economics. Johnston admits Starcloud won't be competitive on energy costs until SpaceX's Starship flies frequently in the late 2020s, pushing cost competitiveness to the early 2030s.
Current orbital GPU numbers are measured in dozens, while Nvidia sold millions to terrestrial hyperscalers in 2025 alone. The valuation reflects aggressive capital pursuit of AI infrastructure options rather than existing business fundamentals.