In happier times, OpenAI CEO Sam Altman and Tesla CEO Elon Musk were buddies and business partners, but their bromance notoriously turned sour a long time ago. For the past several years, the two have very publicly hated each other and taken every opportunity they can to dunk on one another’s business pursuits.

Merge Labs will compete with Elon Musk’s Neuralink, which is developing computer interface chips designed to be implanted in the brain. Musk founded Neuralink in 2016 (although its existence wasn’t known until 2017) and the company has made serious progress.