Musk and Zuckerberg claw back into AI race with new model momentum

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. State of play: Both companies released models this week…