Grok 4.7 is insanely good. The model is not the bottleneck anymore. I believe harness reliability and everything around it is... I read almost every comment on my "Week 1 at SpaceXAI" post, and one thing surprised me. Not many people said "make Grok smarter", but rather make
Grok 4.7 Is So Good the Model Is No Longer the Bottleneck
xAI's larsencc says Grok 4.7 is extremely capable and the model is no longer the bottleneck — harness reliability is. Reading comments on his "Week 1 at SpaceXAI" post, he found users want reliability rather than a smarter Grok.