Actual usage of SpaceXAI Grok 4.5. First person reports that there are programmers successfully replacing Opus and Sonnet in all of his systems today with Grok 4.5. Grok 4.5 worked great. Spending can drop 50-80%. $200-500 instead of $1000. Grok 4.5

Bottom Line from Theo, he calls Grok 4.5 an outstanding value default coding model — fast, cheap, capable on real engineering work, and a huge step up for xAI. It’s not quite dethroning the absolute latest “orchestration kings,” but for most