Spent several hours diving deep into Grok 4.5 and knocked out 40% of my weekly quota in one go. Subjective opinion: Grok 4.5 could easily claim the title of the second-best model in the world. Now it’s just a matter of seeing if GPT 5.6’s release tonight can reclaim that second spot. Also, using Grok 4.5 feels super smooth. Grok Build seems like it’s built on the Claude SDK at its core. Honestly, it feels just like using cc. Insanely good value for money—Elon really scored a win with this one @elonmusk.