Active3 developments · 3 sources · over 2 daysSpaceXAI unveils Grok 4.5, an 'Opus-class' AI modelHow it developedJuly 8, 2026TechCrunch AIWhere it startedSpaceXAI unveils Grok 4.5, an 'Opus-class' AI modelJuly 9, 2026The Rundown AISpaceXAI and Cursor release Grok 4.5 modelJuly 10, 2026AI ExplainedGrok 4.5 Model Released by x.aix.ai unveils Grok 4.5 to enhance user interaction