FollowingDay 4in the edition since 31 Oct 20266 sourcesupdated 31 Oct 2026

Google Project Suncatcher orbital AI inference

The gist

Latest: Google Runs AI Inference on Trillium TPU in Orbit for First Time

Successfully running AI inference in orbit demonstrates that ML hardware can survive and operate in space, opening a path toward satellite-based compute that does not depend on terrestrial data centers. SpaceX and Blue Origin are also seeking regulatory approval for orbital data center projects, indicating broader industry movement in this direction.

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The full picture

Google's Project Suncatcher prototype, launched October 1 aboard a SpaceX rideshare, successfully ran AI inference in orbit. The team sent a prompt from Earth, booted a Trillium TPU aboard the satellite, ran inference using an onboard Gemma model, and received back a haiku. The returned haiku read: "Blue marble below / Data streams in silent grace / Starlight feeds my core." Google described the result as a "hello world" milestone for Project Suncatcher. The satellite carries four Trillium TPUs, with only one able to operate at a time for about 20 minutes on up to 1 kW of power, and the current capability is far from a full data center in orbit. The 2027 follow-on involves a partnership with Planet to launch two prototype satellites that will test free-space optical (laser) links between TPU-equipped satellites. Before launch, radiation testing found Trillium TPUs show no hard failures up to 15 krad(Si), with High Bandwidth Memory subsystems showing irregularities only at nearly three times the expected five-year shielded mission dose.

How it developed

First in the edition · 31 October 2026

30 October 2026in the 31 Oct edition

Google confirmed on October 30 that its Project Suncatcher satellite, launched October 1 on a SpaceX rideshare, ran AI inference in orbit: a prompt from Earth booted a Trillium TPU, ran an onboard Gemma model, and returned a haiku.

Google also announced a 2027 partnership with Planet to test free-space optical links between TPU-equipped satellites in orbit, and radiation testing found Trillium showed no hard failures up to 15 krad(Si), with HBM irregularities appearing only at nearly three times the expected five-year mission dose. SpaceX and Blue Origin are also seeking regulatory approval for orbital data center projects.

First citedRohan Paul on X Milk Road AI on X blog.google shattered.io+2 more

15 October 2026

Data Center Dynamics reported on Google's upcoming orbital inference test, noting SpaceX and Blue Origin are also seeking regulatory approval for orbital data center projects.

3 October 2026

Details published on Google's partnership with Planet to launch two satellites by early 2027 to test laser links between TPU-equipped satellites.

24 September 2026

Google published details on Project Suncatcher, including plans for the prototype satellite and pre-launch radiation testing results.

Sources

Milk Road AI on X