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Elon Musk has never been one to shy away from ambitious promises, and his latest claim may be one of his boldest yet. In a recent post on X, the xAI founder said Grok is working on a full-length, AI-generated adaptation of "The Odyssey" that he described as "historically accurate."It's a bold claim, for sure. AI video tools like Runway Gen-3 and Luma Dream Machine have already shown they can produce impressive short clips, but creating a coherent feature-length film is a much bigger challenge. If Musk's vision becomes reality, it would push AI video well beyond the short demonstrations we've seen so far.Here's what we know — and why Musk's choice of the phrase "historically accurate" has sparked discussion.The AI race heads to HollywoodBefore this year ends, Grok Imagine will make a full-length movie of The Odyssey that is historically accurate and true to the art of Homer https://t.co/bVHzUmY9WNJuly 22, 2026Until now, Grok has been best known as the chatbot built into X. An AI-generated movie would represent a major expansion of xAI's ambitions, suggesting the company wants to compete in AI video generation.The choice of "The Odyssey" is particularly ambitious. Homer's epic follows Odysseus on his long journey home after the Trojan War, combining ancient Greek settings with legendary creatures, gods and mythological events. Re-creating that story would require AI to maintain consistent characters, environments and visual style across thousands of shots — something today's video models still struggle to do reliably.While AI can already generate remarkably realistic scenes lasting a few seconds, maintaining continuity across an entire feature film remains one of the industry's biggest technical hurdles.What does 'historically accurate' actually mean?Musk's wording has also raised questions. "The Odyssey" is one of the most influential works of classical literature, but it isn't a historical record. It blends elements of the ancient Greek world with mythology, including cyclopes, sirens and interventions from the gods.Get instant access to breaking news, the hottest reviews, great deals and helpful tips.It's possible Musk is using "historically accurate" to mean faithful to the world described by Homer rather than literally historical. The phrase also echoes his long-standing criticism of AI systems that he believes distort history or alter historical depictions.Without additional details from xAI, though, it's impossible to know exactly what standards the company plans to use.Can Grok actually pull it off?