Google has reported the first AI response from a data-center-class tensor processing unit (TPU) aboard its Project Suncatcher prototype satellite. The company said the milestone followed the satellite’s October 1 launch and several weeks of commissioning work, including powering up the host system and TPU trays and running early machine-learning tests.

During a ground-station pass, Google said it uplinked a prompt to the satellite’s onboard Gemma 4 open model. The prompt requested a haiku about being in space. As the satellite passed over Svalbard, Norway, the company received the generated response: “Blue marble below / Data streams in silent grace / Starlight feeds my core.”

Google also said it tested space-themed limericks and prompts designed to report the technical status of the payload systems. The company described the response as its “Hello World” milestone and an early step in its longer-term research into running AI compute in space.

According to Google, upcoming tests will examine TPU performance under thermal stress and radiation exposure in orbit. The company said reliable execution of workloads in space would support a planned milestone involving two interconnected satellites in 2027. The announcement reports the company’s testing progress and intended next steps; it does not provide results from the upcoming environmental tests.