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The AI race just got faster, literally. @SpaceXAI says @grok 4.5 matches the top models on capability but pulls ahead on speed and cost, with real-world usefulness as the scorecard that counts.Elon Musk (@elonmusk):Our internal assessment is that Grok 4.5 is roughly comparable to Opus 4.7, but much faster. The combination of capability, faster speed and lower cost is what makes it competitive.We are closing the loop on real-world usefulness, not benchmarks. Hardcore engineers at Tesla & ...