This post is about the Twitter algorithm. He originally said it would be open source, but he just did a source dump 2 years ago. Now they did a new source dump with updated but heavily redacted code for the For You feed.

As for his claims about opening up Grok: Elon said that they would publish the n-1 weights for Grok. However, he dragged his feet and only recently released the weights for Grok 2. So now we're up to Grok 4 but he has yet to release the weights for Grok 3 despite his claims.

I think the problem with Elon is that he doesn't fully hold himself accountable for his words. If he decided that it was no longer economically viable to share Grok's weights then he should post an update about that. You cannot expect to win the goodwill of claiming to support open source and then continuously drag your feet while refusing to communicate your intentions clearly.