The trillionaire, 55, declared the film will be "historically accurate and true to the art of Homer" after sharing an AI-generated scene inspired by the ancient Greek epic – which has just been turned into what fans are hailing a masterpiece by The Dark Knight Returns director Christopher Nolan.
Tesla chief executive and X owner Elon made the brag on Wednesday after reposting a three-minute dialogue sequence created using Grok Imagine, the company's AI image and video generation tool.
The clip depicts an AI-generated Odysseus speaking to the nymph Calypso, who has trapped him on her island, as the hero pleads to return home following the Trojan War.
Musk's announcement comes as Nolan's The Odyssey continues its successful cinema run after becoming one of the year's biggest box office hits.
The filmmaker's adaptation of Homer's epic stars Matt Damon as Odysseus, Tom Holland as Telemachus and Anne Hathaway as Penelope, with Lupita Nyong'o cast as Helen of Troy and her twin sister Clytemnestra.
Musk wrote: "Before 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."
Homer's The Odyssey follows Odysseus, King of Ithaca, on his long and perilous journey home after the Trojan War.
Homer's poem, regarded as one of the oldest surviving works of literature, spans 24 books and is widely viewed as a companion to The Iliad, which recounts the war itself.
Musk's latest comments follow controversy earlier in 2026 when he amplified racist criticism over Christopher's decision to cast Lupita in the dual role of Helen of Troy and Clytemnestra.
Nolan's adaptation of The Odyssey has gone on to become a major commercial success, taking more than $US264 million ($A378 million) worldwide during its opening weekend.
The film recorded the third-largest opening weekend in the United States in 2026 and marked the biggest opening of Nolan's career.
Musk's comments also arrive as Grok remains central to his wider push into generative artificial intelligence through X and xAI, with him increasingly promoting the platform's image and video capabilities as competition intensifies across the AI sector.
Alongside leading Tesla, SpaceX and X, Musk has repeatedly argued AI will transform entertainment as well as technology, with his latest post suggesting he believes classical literature can be recreated through generative AI.
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