These grant programs feel inconsistent—sometimes they genuinely help OSS, other times they look more like marketing. Hard to tell where the balance really lies.

When in doubt, go with marketing. There are things that are 'just marketing' you wouldn't believe.

> sometimes they genuinely help OSS, other times they look more like marketing

Whenever companies do things like this, it's both, or at least trying hard to be. To the extent that it's perceived by developers (that is, potential OpenAI customers) as helping OSS, it's effective marketing. This perception may or may not correspond to reality.