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Illustration: Sarah Grillo/Axios. Stock: Getty Images
Elon Musk and Mark Zuckerberg have muscled their way back into AI's elite ranks, defying early obituaries to close the gap on a new generation of Silicon Valley startups.
Why it matters: Recent gains by tech giants SpaceX and Meta — long stuck in AI's second tier — are putting new pressure on a hierarchy dominated by OpenAI and Anthropic.











