The most serious test to date of open source AI’s viability is happening right now. I’ve seen many waves of anti open-source AI rhetoric come and go since ChatGPT was launched, but none of them had obvious analogues in their potential enforcement to real action already in place targeting the peer, closed models of the day. It is more real because new forms of regulation are being tested and implemented, with minimal oversight. I will be doing far more policy-facing writing than usual until this ...