Anthropic's new flagship Fable 5.5 generates a 66-second animation from pure code in 2 hours and 40 minutes; live test revealed
Developer communities have begun leaking test cases for Fable 5.5; one segment—a 66-second animation generated entirely from code—has attracted attention as the model autonomously programmed for nearly three hours to produce visuals, music, and sound effects. This exposure coincides with Anthropic's push toward an IPO, though official confirmation of its authenticity remains unconfirmed.
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