OpenAI Backs Brain Implant That Fights Cancer

OpenAI, the company behind ChatGPT, is putting money into a startup called Coherence Neuro. Coherence is building a brain implant that can detect cancer and treat it using mild electrical stimulation. The goal is to help people with brain tumors, like glioblastoma, which is very aggressive. The implant would be placed in the brain and could monitor for cancer signals and stop tumors from growing—all in real time.

This matters because brain cancer is hard to treat. Current methods like surgery and radiation can be tough on patients. An implant that works around the clock could offer a new option. Coherence has already tested the implant briefly in three people during brain surgery, and it plans to start a clinical trial soon. The investment from OpenAI is part of a $45 million funding round, showing that Big Tech is increasingly interested in brain-computer interfaces—devices that connect the brain to computers.

But there's a catch. The technology is still in early stages. The implant has only been tested for about 30 minutes in humans, and long-term safety and effectiveness are unknown. Also, while OpenAI says it won't have access to brain data from Coherence, the company is also investing in another brain implant startup, Merge Labs, with which it will collaborate more closely. So privacy questions remain. For now, this is promising research, but it will be years before it could help patients.