Singapore just booted a data center that runs on human neurons

A full rack of the CL1 — Cortical Labs' neuron-on-silicon box — draws 850 to 1,000 watts. One Nvidia GB200 pulls more than that on its own. That's the entire pitch behind the biological data center prototype DayOne, Cortical Labs and NUS Medicine switched on in Singapore on 17 August, billed as the first independently operated biologically integrated server rack anywhere.

Each CL1 unit holds roughly 800,000 human neurons, reprogrammed from adult donor skin or blood cells and grown across an electrode-fitted chip. The hardware keeps them alive — temperature, gas mix, waste filtration — while Cortical Labs' biOS feeds electrical signals in and reads spikes back out. Twenty of them now sit at the NUS Life Sciences Institute. Cortical Labs CEO Hon Weng Chong is aiming it at drug discovery, humanoid robotics and fraud detection, pitching biological compute as the thing that "learns from far less" data.

The asterisk is mortality. Cultures hold usable spiking activity for about six months before the signal degrades — so this is a rack that needs replanting twice a year. And nobody has published a benchmark where wetware beats a GPU at a job anyone is actually paying for. So far the headline demo is neurons learning to play Doom on a $35,000 box.

Wetware just moved from a lab bench to a server rack — the energy math is real, the workload isn't yet.