With OpenAI’s purse strings tightening ahead of its IPO, company executives began taking a more critical look at Sora—and didn’t like what they saw. The research team there was about to begin a training run for a new model meant to power video-generation in ChatGPT. Unlike language models, which learn from text, video models have to make sense of entire moving worlds, making them far more expensive to create. After running the numbers on how much it would cost, OpenAI decided to cancel it.
Source: The Sudden Fall of OpenAI’s Most Hyped Product Since ChatGPT